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OpenStudy (anonymous):
Mario has the following problem in his homework assignment. x − 12 = 3 What should Mario do first to solve for x?
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OpenStudy (anonymous):
add 12 to the other side so you get x=3+12, x=15
OpenStudy (timmyk14):
Add 12 to both sides.of he equation
OpenStudy (anonymous):
same thing
OpenStudy (anonymous):
well not really haha but basically
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