-21+18=m-10

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Solution for -21+18=m-10 equation:


Simplifying
-21 + 18 = m + -10

Combine like terms: -21 + 18 = -3
-3 = m + -10

Reorder the terms:
-3 = -10 + m

Solving
-3 = -10 + m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-1m' to each side of the equation.
-3 + -1m = -10 + m + -1m

Combine like terms: m + -1m = 0
-3 + -1m = -10 + 0
-3 + -1m = -10

Add '3' to each side of the equation.
-3 + 3 + -1m = -10 + 3

Combine like terms: -3 + 3 = 0
0 + -1m = -10 + 3
-1m = -10 + 3

Combine like terms: -10 + 3 = -7
-1m = -7

Divide each side by '-1'.
m = 7

Simplifying
m = 7

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