-7(m-4)=21

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Solution for -7(m-4)=21 equation:


Simplifying
-7(m + -4) = 21

Reorder the terms:
-7(-4 + m) = 21
(-4 * -7 + m * -7) = 21
(28 + -7m) = 21

Solving
28 + -7m = 21

Solving for variable 'm'.

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

Add '-28' to each side of the equation.
28 + -28 + -7m = 21 + -28

Combine like terms: 28 + -28 = 0
0 + -7m = 21 + -28
-7m = 21 + -28

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

Divide each side by '-7'.
m = 1

Simplifying
m = 1

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