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OpenStudy (anonymous):
When an equation uses addition, the variable can be solved by the opposite process: subtraction.
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OpenStudy (anonymous):
question?
OpenStudy (ybarrap):
For example x+7=0 Subtract 7 from both sides to solve x+7-7=0-7 x+0=-7 x=-7
OpenStudy (anonymous):
haley, that is correct
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