15+4+m=-2

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Solution for 15+4+m=-2 equation: 


Simplifying
15 + 4 + m = -2

Combine like terms: 15 + 4 = 19
19 + m = -2

Solving
19 + m = -2

Solving for variable 'm'.

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

Add '-19' to each side of the equation.
19 + -19 + m = -2 + -19

Combine like terms: 19 + -19 = 0
0 + m = -2 + -19
m = -2 + -19

Combine like terms: -2 + -19 = -21
m = -21

Simplifying
m = -21

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