18=4(1+7m)+(1-5m)

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Solution for 18=4(1+7m)+(1-5m) equation:


Simplifying
18 = 4(1 + 7m) + (1 + -5m)
18 = (1 * 4 + 7m * 4) + (1 + -5m)
18 = (4 + 28m) + (1 + -5m)

Remove parenthesis around (1 + -5m)
18 = 4 + 28m + 1 + -5m

Reorder the terms:
18 = 4 + 1 + 28m + -5m

Combine like terms: 4 + 1 = 5
18 = 5 + 28m + -5m

Combine like terms: 28m + -5m = 23m
18 = 5 + 23m

Solving
18 = 5 + 23m

Solving for variable 'm'.

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

Add '-23m' to each side of the equation.
18 + -23m = 5 + 23m + -23m

Combine like terms: 23m + -23m = 0
18 + -23m = 5 + 0
18 + -23m = 5

Add '-18' to each side of the equation.
18 + -18 + -23m = 5 + -18

Combine like terms: 18 + -18 = 0
0 + -23m = 5 + -18
-23m = 5 + -18

Combine like terms: 5 + -18 = -13
-23m = -13

Divide each side by '-23'.
m = 0.5652173913

Simplifying
m = 0.5652173913

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