3m-9=4+7m-1

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Solution for 3m-9=4+7m-1 equation:


Simplifying
3m + -9 = 4 + 7m + -1

Reorder the terms:
-9 + 3m = 4 + 7m + -1

Reorder the terms:
-9 + 3m = 4 + -1 + 7m

Combine like terms: 4 + -1 = 3
-9 + 3m = 3 + 7m

Solving
-9 + 3m = 3 + 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
-9 + 3m + -7m = 3 + 7m + -7m

Combine like terms: 3m + -7m = -4m
-9 + -4m = 3 + 7m + -7m

Combine like terms: 7m + -7m = 0
-9 + -4m = 3 + 0
-9 + -4m = 3

Add '9' to each side of the equation.
-9 + 9 + -4m = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -4m = 3 + 9
-4m = 3 + 9

Combine like terms: 3 + 9 = 12
-4m = 12

Divide each side by '-4'.
m = -3

Simplifying
m = -3

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