m-(-18)=15

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Solution for m-(-18)=15 equation: 


Simplifying
m + -1(-18) = 15

Multiply -1 * -18
m + 18 = 15

Reorder the terms:
18 + m = 15

Solving
18 + m = 15

Solving for variable 'm'.

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

Add '-18' to each side of the equation.
18 + -18 + m = 15 + -18

Combine like terms: 18 + -18 = 0
0 + m = 15 + -18
m = 15 + -18

Combine like terms: 15 + -18 = -3
m = -3

Simplifying
m = -3

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