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OpenStudy (anonymous):
Solve the system by substitution -4.5x-2y=-12.5 3.25x-y=-0.75 Please help me! I suck at substitution. Can you show me step by step to help me understand?
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OpenStudy (gorv):
3.25x-y=-0.75 adding 0.75 both side 3.25x-y+0.75=0 adding y both side 3.25x+0.75=y put this value of y in other equation
OpenStudy (gorv):
-4.5x-2y=-12.5 -4.5x-2*(3.25x+0.75)=-12.5 now solve it and tellme what u got
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