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OpenStudy (anonymous):
Solve using linear combination 5x+y=2 4x+y=4 PLEASEEEE HURRY
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OpenStudy (dan815):
linear combination?
OpenStudy (dan815):
subtract eqn2 from eqn 2
OpenStudy (anonymous):
multiply equation 1 with -1 nad add both equastions -5x-y+4x+y=-2+4 solve for x and substitute x in equation
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