9m+7(2-m)=20

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Solution for 9m+7(2-m)=20 equation:


Simplifying
9m + 7(2 + -1m) = 20
9m + (2 * 7 + -1m * 7) = 20
9m + (14 + -7m) = 20

Reorder the terms:
14 + 9m + -7m = 20

Combine like terms: 9m + -7m = 2m
14 + 2m = 20

Solving
14 + 2m = 20

Solving for variable 'm'.

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

Add '-14' to each side of the equation.
14 + -14 + 2m = 20 + -14

Combine like terms: 14 + -14 = 0
0 + 2m = 20 + -14
2m = 20 + -14

Combine like terms: 20 + -14 = 6
2m = 6

Divide each side by '2'.
m = 3

Simplifying
m = 3

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