100+40=3m-4+9m

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Solution for 100+40=3m-4+9m equation:


Simplifying
100 + 40 = 3m + -4 + 9m

Combine like terms: 100 + 40 = 140
140 = 3m + -4 + 9m

Reorder the terms:
140 = -4 + 3m + 9m

Combine like terms: 3m + 9m = 12m
140 = -4 + 12m

Solving
140 = -4 + 12m

Solving for variable 'm'.

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

Add '-12m' to each side of the equation.
140 + -12m = -4 + 12m + -12m

Combine like terms: 12m + -12m = 0
140 + -12m = -4 + 0
140 + -12m = -4

Add '-140' to each side of the equation.
140 + -140 + -12m = -4 + -140

Combine like terms: 140 + -140 = 0
0 + -12m = -4 + -140
-12m = -4 + -140

Combine like terms: -4 + -140 = -144
-12m = -144

Divide each side by '-12'.
m = 12

Simplifying
m = 12

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