5-7(3m-7)=12

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Solution for 5-7(3m-7)=12 equation:


Simplifying
5 + -7(3m + -7) = 12

Reorder the terms:
5 + -7(-7 + 3m) = 12
5 + (-7 * -7 + 3m * -7) = 12
5 + (49 + -21m) = 12

Combine like terms: 5 + 49 = 54
54 + -21m = 12

Solving
54 + -21m = 12

Solving for variable 'm'.

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

Add '-54' to each side of the equation.
54 + -54 + -21m = 12 + -54

Combine like terms: 54 + -54 = 0
0 + -21m = 12 + -54
-21m = 12 + -54

Combine like terms: 12 + -54 = -42
-21m = -42

Divide each side by '-21'.
m = 2

Simplifying
m = 2

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