3m-4=m+7

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


Simplifying
3m + -4 = m + 7

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

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

Solving
-4 + 3m = 7 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-4 + 3m + -1m = 7 + m + -1m

Combine like terms: 3m + -1m = 2m
-4 + 2m = 7 + m + -1m

Combine like terms: m + -1m = 0
-4 + 2m = 7 + 0
-4 + 2m = 7

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

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

Combine like terms: 7 + 4 = 11
2m = 11

Divide each side by '2'.
m = 5.5

Simplifying
m = 5.5

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