-(m-1)=13-4m

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Solution for -(m-1)=13-4m equation:


Simplifying
-1(m + -1) = 13 + -4m

Reorder the terms:
-1(-1 + m) = 13 + -4m
(-1 * -1 + m * -1) = 13 + -4m
(1 + -1m) = 13 + -4m

Solving
1 + -1m = 13 + -4m

Solving for variable 'm'.

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

Add '4m' to each side of the equation.
1 + -1m + 4m = 13 + -4m + 4m

Combine like terms: -1m + 4m = 3m
1 + 3m = 13 + -4m + 4m

Combine like terms: -4m + 4m = 0
1 + 3m = 13 + 0
1 + 3m = 13

Add '-1' to each side of the equation.
1 + -1 + 3m = 13 + -1

Combine like terms: 1 + -1 = 0
0 + 3m = 13 + -1
3m = 13 + -1

Combine like terms: 13 + -1 = 12
3m = 12

Divide each side by '3'.
m = 4

Simplifying
m = 4

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