7m+7n-7(6m-9m)=

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Solution for 7m+7n-7(6m-9m)= equation:


Simplifying
7m + 7n + -7(6m + -9m) = 0

Combine like terms: 6m + -9m = -3m
7m + 7n + -7(-3m) = 0

Remove parenthesis around (-3m)
7m + 7n + -7 * -3m = 0

Multiply -7 * -3
7m + 7n + 21m = 0

Reorder the terms:
7m + 21m + 7n = 0

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

Solving
28m + 7n = 0

Solving for variable 'm'.

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

Add '-7n' to each side of the equation.
28m + 7n + -7n = 0 + -7n

Combine like terms: 7n + -7n = 0
28m + 0 = 0 + -7n
28m = 0 + -7n
Remove the zero:
28m = -7n

Divide each side by '28'.
m = -0.25n

Simplifying
m = -0.25n

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