SOLUTION: 3x + 2y = 16 2x + y = 9
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Question 38741
:
3x + 2y = 16
2x + y = 9
Answer by
fractalier(6550)
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From
3x + 2y = 16
2x + y = 9
solve the second equation for y and substitute it into the first equation...
y = -2x + 9
then
3x + 2(-2x + 9) = 16
3x - 4x + 18 = 16
-x = -2
x = 2
then
y = -2(2) + 9
y = 5