15=4+m

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Solution for 15=4+m equation: 


Simplifying
15 = 4 + m

Solving
15 = 4 + 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.
15 + -1m = 4 + m + -1m

Combine like terms: m + -1m = 0
15 + -1m = 4 + 0
15 + -1m = 4

Add '-15' to each side of the equation.
15 + -15 + -1m = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -1m = 4 + -15
-1m = 4 + -15

Combine like terms: 4 + -15 = -11
-1m = -11

Divide each side by '-1'.
m = 11

Simplifying
m = 11

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