How to solve 4x+3y=16 2x-3y=8

I canlt figure out how to do this problem. My teacher assigned us this one question and told us to try to solve it and I cant figure it out. I need help,

Thank you.
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1 Answer

How to solve 4x+3y=16 2x-3y=8

Add them

   4x + 3y = 16
+(2x -  3y =  8)
----------------------
   6x        = 24
x = 4

Substitute into one of the equations

2(4) - 3y = 8
8 - 3y = 8
-3y = 8 - 8
-3y = 0
y = 0 / -3
y = 0

Substitute both values into the other eqation

4(4) + 3(0) = 16
16 + 0 = 16
by Level 11 User (78.4k points)

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