Solve the system of equation 2x+3y=40 and -2x+2y=20
2 answers:
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>
2x+3y=40
-2x+2y=20
5y=60
***y=12***
2x+36=40
***x=2***
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