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OpenStudy (anonymous):
Using the properties of equality to solve the equation -2b + 7 = -13, you would _____.
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OpenStudy (thedj4jc):
You've just got to do the problem backwards to find the find b... -13 - 7 = ?
OpenStudy (texaschic101):
-2b + 7 = -13 --- subtract 7 from both sides -- (subtraction property) -2b = -13 - 7 -2b = -20 -- divide both sides by -2 --(division property) b = -20/-2 b = 10
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