9m-4(2m-7)=15

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Solution for 9m-4(2m-7)=15 equation:


Simplifying
9m + -4(2m + -7) = 15

Reorder the terms:
9m + -4(-7 + 2m) = 15
9m + (-7 * -4 + 2m * -4) = 15
9m + (28 + -8m) = 15

Reorder the terms:
28 + 9m + -8m = 15

Combine like terms: 9m + -8m = 1m
28 + 1m = 15

Solving
28 + 1m = 15

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 + 1m = 15 + -28

Combine like terms: 28 + -28 = 0
0 + 1m = 15 + -28
1m = 15 + -28

Combine like terms: 15 + -28 = -13
1m = -13

Divide each side by '1'.
m = -13

Simplifying
m = -13

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