4m-7=2m-8

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


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

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

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

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

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-7 + 4m + -2m = -8 + 2m + -2m

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

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

Add '7' to each side of the equation.
-7 + 7 + 2m = -8 + 7

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

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

Divide each side by '2'.
m = -0.5

Simplifying
m = -0.5

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