7m-(4m-(3m-5))=13

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Solution for 7m-(4m-(3m-5))=13 equation:


Simplifying
7m + -1(4m + -1(3m + -5)) = 13

Reorder the terms:
7m + -1(4m + -1(-5 + 3m)) = 13
7m + -1(4m + (-5 * -1 + 3m * -1)) = 13
7m + -1(4m + (5 + -3m)) = 13

Reorder the terms:
7m + -1(5 + 4m + -3m) = 13

Combine like terms: 4m + -3m = 1m
7m + -1(5 + 1m) = 13
7m + (5 * -1 + 1m * -1) = 13
7m + (-5 + -1m) = 13

Reorder the terms:
-5 + 7m + -1m = 13

Combine like terms: 7m + -1m = 6m
-5 + 6m = 13

Solving
-5 + 6m = 13

Solving for variable 'm'.

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

Add '5' to each side of the equation.
-5 + 5 + 6m = 13 + 5

Combine like terms: -5 + 5 = 0
0 + 6m = 13 + 5
6m = 13 + 5

Combine like terms: 13 + 5 = 18
6m = 18

Divide each side by '6'.
m = 3

Simplifying
m = 3

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