7m-2=8m+4-4

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Solution for 7m-2=8m+4-4 equation:


Simplifying
7m + -2 = 8m + 4 + -4

Reorder the terms:
-2 + 7m = 8m + 4 + -4

Reorder the terms:
-2 + 7m = 4 + -4 + 8m

Combine like terms: 4 + -4 = 0
-2 + 7m = 0 + 8m
-2 + 7m = 8m

Solving
-2 + 7m = 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.
-2 + 7m + -8m = 8m + -8m

Combine like terms: 7m + -8m = -1m
-2 + -1m = 8m + -8m

Combine like terms: 8m + -8m = 0
-2 + -1m = 0

Add '2' to each side of the equation.
-2 + 2 + -1m = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1m = 0 + 2
-1m = 0 + 2

Combine like terms: 0 + 2 = 2
-1m = 2

Divide each side by '-1'.
m = -2

Simplifying
m = -2

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