13m-a=15m

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Solution for 13m-a=15m equation:


Simplifying
13m + -1a = 15m

Reorder the terms:
-1a + 13m = 15m

Solving
-1a + 13m = 15m

Solving for variable 'a'.

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

Add '-13m' to each side of the equation.
-1a + 13m + -13m = 15m + -13m

Combine like terms: 13m + -13m = 0
-1a + 0 = 15m + -13m
-1a = 15m + -13m

Combine like terms: 15m + -13m = 2m
-1a = 2m

Divide each side by '-1'.
a = -2m

Simplifying
a = -2m

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