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

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


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

Reorder the terms:
-2(-9 + m) = 4m + -7
(-9 * -2 + m * -2) = 4m + -7
(18 + -2m) = 4m + -7

Reorder the terms:
18 + -2m = -7 + 4m

Solving
18 + -2m = -7 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
18 + -2m + -4m = -7 + 4m + -4m

Combine like terms: -2m + -4m = -6m
18 + -6m = -7 + 4m + -4m

Combine like terms: 4m + -4m = 0
18 + -6m = -7 + 0
18 + -6m = -7

Add '-18' to each side of the equation.
18 + -18 + -6m = -7 + -18

Combine like terms: 18 + -18 = 0
0 + -6m = -7 + -18
-6m = -7 + -18

Combine like terms: -7 + -18 = -25
-6m = -25

Divide each side by '-6'.
m = 4.166666667

Simplifying
m = 4.166666667

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