18-3m=7m+2(-7m-7)

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Solution for 18-3m=7m+2(-7m-7) equation:


Simplifying
18 + -3m = 7m + 2(-7m + -7)

Reorder the terms:
18 + -3m = 7m + 2(-7 + -7m)
18 + -3m = 7m + (-7 * 2 + -7m * 2)
18 + -3m = 7m + (-14 + -14m)

Reorder the terms:
18 + -3m = -14 + 7m + -14m

Combine like terms: 7m + -14m = -7m
18 + -3m = -14 + -7m

Solving
18 + -3m = -14 + -7m

Solving for variable 'm'.

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

Add '7m' to each side of the equation.
18 + -3m + 7m = -14 + -7m + 7m

Combine like terms: -3m + 7m = 4m
18 + 4m = -14 + -7m + 7m

Combine like terms: -7m + 7m = 0
18 + 4m = -14 + 0
18 + 4m = -14

Add '-18' to each side of the equation.
18 + -18 + 4m = -14 + -18

Combine like terms: 18 + -18 = 0
0 + 4m = -14 + -18
4m = -14 + -18

Combine like terms: -14 + -18 = -32
4m = -32

Divide each side by '4'.
m = -8

Simplifying
m = -8

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