rsledoux rsledoux

16-06-2020
Mathematics

contestada

Solve systems of equations for x + y, please!! -5x + 3y = 2 -5x - 5y = -30

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sandravital2202 sandravital2202

16-06-2020

x,y=(123/20,1/4)

explanation
-5x+3y=-30
2-5x-5y=-30
-5x+3y=-30
-5x-5y=-32
-5x+3y=30
5x+5y=32
8y=2
y=1/4
-5x+3x1/4=-30
x=123/20

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