15+4(m-2)=-21

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Solution for 15+4(m-2)=-21 equation: 


Simplifying
15 + 4(m + -2) = -21

Reorder the terms:
15 + 4(-2 + m) = -21
15 + (-2 * 4 + m * 4) = -21
15 + (-8 + 4m) = -21

Combine like terms: 15 + -8 = 7
7 + 4m = -21

Solving
7 + 4m = -21

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + 4m = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 4m = -21 + -7
4m = -21 + -7

Combine like terms: -21 + -7 = -28
4m = -28

Divide each side by '4'.
m = -7

Simplifying
m = -7

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