7m-2(-7m-10)=125

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Solution for 7m-2(-7m-10)=125 equation:


Simplifying
7m + -2(-7m + -10) = 125

Reorder the terms:
7m + -2(-10 + -7m) = 125
7m + (-10 * -2 + -7m * -2) = 125
7m + (20 + 14m) = 125

Reorder the terms:
20 + 7m + 14m = 125

Combine like terms: 7m + 14m = 21m
20 + 21m = 125

Solving
20 + 21m = 125

Solving for variable 'm'.

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

Add '-20' to each side of the equation.
20 + -20 + 21m = 125 + -20

Combine like terms: 20 + -20 = 0
0 + 21m = 125 + -20
21m = 125 + -20

Combine like terms: 125 + -20 = 105
21m = 105

Divide each side by '21'.
m = 5

Simplifying
m = 5

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