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OpenStudy (anonymous):
Solve the equation. Check your solution. "12x-28 = -63+7x" True or False?
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OpenStudy (kl0723):
solve for x and then plug in the values back into the original eq
OpenStudy (kl0723):
12x-7x=-63+28 5x=-35 x=-35/5 x=-7
OpenStudy (kl0723):
Plug in the values: 12(-7)-28 = -63 +7(-7) left side = -112 right side = -112
OpenStudy (kl0723):
so I guess is true :P
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