SOLUTION: Solve using the addition principle. -18 = m

SOLUTION: Solve using the addition principle. -18 = m - 30

Question 568158: Solve using the addition principle.
-18 = m - 30
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
-18 = m - 30

-18 + 30 = m - 30 + 30

12 = m

m = 12

So the solution is m = 12
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