SOLUTION: If you see a problem like this: 3h-7=47, do you change the subtraction to addition?

SOLUTION: If you see a problem like this: 3h-7=47, do you change the subtraction to addition?

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Question 54722: If you see a problem like this: 3h-7=47, do you change the subtraction to addition?
Answer by wgomero(28) (Show Source): You can put this solution on YOUR website!
Yes; to eliminate -7 from the left side of the equation and move to the right side you need to add 7 to both sides.
3h - 7 + 7 = 47 + 7; then 3h = 54; h = 54/3 ; h =18.
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