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OpenStudy (anonymous):
Use the elimination method to solve the system. -4x+4y=-8 x-4y=-7
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OpenStudy (bahrom7893):
ok let's eliminate x via the 2nd equation: x = -7+4y Plug that into first: -4(-7+4y)+4y=-8
OpenStudy (bahrom7893):
Solve for y: 28-16y+4y=-8 -12y=-36 y = 3
OpenStudy (bahrom7893):
Use that to solve for x
OpenStudy (anonymous):
kk
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