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What should be added to both sides of this equation to solve for the variable? 7 = -13 + d help me please.
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look at the sign in front of the constant (-13) how do you make it 0 do you add or subtract 13
subtract
7 = -13 +d +13 +13 d=21
if you subtract 13 form -13 you get -26not 0 so you need to add 13
so after you add what do you do next
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was it 7 or 1
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