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QveST [7]
3 years ago
12

Solve the system of equation 2x+3y=40 and -2x+2y=20

Mathematics
2 answers:
sasho [114]3 years ago
6 0
Hi Daniellepowers!

To solve this system of equations, add the two equations.
2x+3y=40
+
-2x+2y=20
=
5y=60
y=12

Plug y back into any equation,
2x+3(12)=40
2x+36=40
2x=4
x=2

Solution: (2, 4)

B. <span>x= 2 y=12

Hope this helps :)</span>
ad-work [718]3 years ago
5 0
2x+3y=40
-2x+2y=20
5y=60
***y=12***

2x+36=40
***x=2***
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