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OpenStudy (anonymous):
HELP! I need someone to explain how to solve this problem step-by-step. Solve the system by substitution -4.5x-2y=-12.5 3.25x-y=-0.75 Thanks!
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OpenStudy (gorv):
okay so first we need to find value of x or y to substitute
OpenStudy (gorv):
pick any one equation
OpenStudy (gorv):
3.25-y=-0.75
OpenStudy (gorv):
add y on both side 3.25x=-0.75+y
OpenStudy (gorv):
add0.75 on both side
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OpenStudy (gorv):
3.25x+0.75=y replace y by this value in other equation
OpenStudy (anonymous):
Ok, I think i get it from there. Would x=1?
OpenStudy (anonymous):
Would the final answer be (1,-17/2) @gorv ?
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