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OpenStudy (anonymous):
if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation? 2x + y = 8 -x - 3y = -12 a.3y + 12 b. -3y + 12 c.3y - 12 d. -3y - 12
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OpenStudy (lgbasallote):
hint: solve for x in the second equation does that help?
OpenStudy (anonymous):
kinda but i still dont understand
OpenStudy (lgbasallote):
-x - 3y = -12 solve for x
hartnn (hartnn):
first,add x to both sides then add 12 to both sides.
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