-4m-7=8-9m

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Solution for -4m-7=8-9m equation:


Simplifying
-4m + -7 = 8 + -9m

Reorder the terms:
-7 + -4m = 8 + -9m

Solving
-7 + -4m = 8 + -9m

Solving for variable 'm'.

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

Add '9m' to each side of the equation.
-7 + -4m + 9m = 8 + -9m + 9m

Combine like terms: -4m + 9m = 5m
-7 + 5m = 8 + -9m + 9m

Combine like terms: -9m + 9m = 0
-7 + 5m = 8 + 0
-7 + 5m = 8

Add '7' to each side of the equation.
-7 + 7 + 5m = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 5m = 8 + 7
5m = 8 + 7

Combine like terms: 8 + 7 = 15
5m = 15

Divide each side by '5'.
m = 3

Simplifying
m = 3

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