Helptest.net
Registration

Added 2019-04-25 10:53:23 subject Mathematics (School) by ruvimbatazhan

2x + 3y = 45
X + Y = 10

What is the value of X of the solution for this system

Answers

Answered by anonymous12345678901

2x+3y=45 x+y=10 Take the bottom equation and solve for y x+y=10 Subtract x from both sides y=-x+10 Substitute into the top equation 2x+3(-x+10)=45 2x-3x+30=45 Subtract 30 from both sides + add like terms -x=15 Divide both sides by -1 x=-15


0 0

Answered by Deleted

Make x the subject for equation (2): Substitute equation (2) into equation (1): Subsitute y = 25 into equation (2): Answer: x = -15


0 0
Only authorized users can leave an answer!
Can't find the answer?

If you are not satisfied with the answer or you can’t find one, then try to use the search above or find similar answers below.

Find similar answers

More questions

Mathematics, added 2021-12-09 22:19:17

A student scores 62 on a geography test and 267 on a mathematics test. the geography test has a mean of 80 and a standard deviation of 15. the mathem ...

Open

Mathematics, added 2021-12-09 18:54:02

A student scores 62 on a geography test and 267 on a mathematics test. the geography test has a mean of 80 and a standard deviation of 15. the mathem ...

Open

Mathematics, added 2021-12-09 17:25:42

Brainly a garden has width 13−−√ and length 713−−√. what is the perimeter of the garden in simplest radical form? ...

Open

Mathematics, added 2021-12-09 14:40:26

Brainly a garden has width 13−−√ and length 713−−√. what is the perimeter of the garden in simplest radical form? ...

Open

Mathematics, added 2021-12-09 10:47:19

Ben bought 7 notebooks for $34.50. some of the notebooks were $3.50 each and the others were $4.25 each. if x represents the number of least expensiv ...

Open

Mathematics, added 2021-12-09 09:06:41

Ben bought 7 notebooks for $34.50. some of the notebooks were $3.50 each and the others were $4.25 each. if x represents the number of least expensiv ...

Open

Mathematics, added 2021-12-09 01:10:42

A ________ sample is a sample in which each member of the population has a known, nonzero, chance of being selected for the sample. ...

Open

Mathematics, added 2021-12-08 23:48:28

A ________ sample is a sample in which each member of the population has a known, nonzero, chance of being selected for the sample. ...

Open

Mathematics, added 2021-12-06 20:25:29

A student did 3/5 of his homework and 8 more problems. then his father came and did one fifth of the homework and the remaining 7 problems. how many ...

Open

Mathematics, added 2021-12-06 19:15:17

A student did 3/5 of his homework and 8 more problems. then his father came and did one fifth of the homework and the remaining 7 problems. how many ...

Open

Mathematics, added 2021-12-05 17:49:17

Concrete can be purchased by the cubic yard. how much will it cost to pour a slab 12 feet by 12 feet by 9 inches for a patio if the concrete costs $5 ...

Open

Mathematics, added 2021-12-05 16:25:57

Concrete can be purchased by the cubic yard. how much will it cost to pour a slab 12 feet by 12 feet by 9 inches for a patio if the concrete costs $5 ...

Open

Mathematics, added 2021-12-05 09:07:43

Park rangers released 12 fish into a pond in year 0. Each year, there were twice as many fish as the year before. How many fish were there after x ye ...

Open

Mathematics, added 2021-12-05 07:38:50

Park rangers released 12 fish into a pond in year 0. Each year, there were twice as many fish as the year before. How many fish were there after x ye ...

Open

Mathematics, added 2021-12-05 06:24:51

A square has a side length of 6x+2. a rectangle with width 3x+1 has the same area as the square. what is the length of the rectangle? ...

Open