s2asakurkeange s2asakurkeange

03-12-2016
Mathematics

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Using the properties of equality to solve the equation -2b + 7 = -13, you would _____.

add 13 and then divide by -2
add 13 and then add 2
subtract 7 and then add 2
subtract 7 and then divide by -2

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jimthompson5910 jimthompson5910

03-12-2016

Follow PEMDAS in reverse. So you would start off undoing the +7. Which means you subtract 7 from both sides

Then undo the -2 multiplying with the b. So you divide both sides by -2

The final answer is therefore D) subtract 7 and then divide by -2

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