7m-17=-21+8m

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Solution for 7m-17=-21+8m equation:


Simplifying
7m + -17 = -21 + 8m

Reorder the terms:
-17 + 7m = -21 + 8m

Solving
-17 + 7m = -21 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
-17 + 7m + -8m = -21 + 8m + -8m

Combine like terms: 7m + -8m = -1m
-17 + -1m = -21 + 8m + -8m

Combine like terms: 8m + -8m = 0
-17 + -1m = -21 + 0
-17 + -1m = -21

Add '17' to each side of the equation.
-17 + 17 + -1m = -21 + 17

Combine like terms: -17 + 17 = 0
0 + -1m = -21 + 17
-1m = -21 + 17

Combine like terms: -21 + 17 = -4
-1m = -4

Divide each side by '-1'.
m = 4

Simplifying
m = 4

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