-2(3+4m)-9=45

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Solution for -2(3+4m)-9=45 equation:


Simplifying
-2(3 + 4m) + -9 = 45
(3 * -2 + 4m * -2) + -9 = 45
(-6 + -8m) + -9 = 45

Reorder the terms:
-6 + -9 + -8m = 45

Combine like terms: -6 + -9 = -15
-15 + -8m = 45

Solving
-15 + -8m = 45

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + -8m = 45 + 15

Combine like terms: -15 + 15 = 0
0 + -8m = 45 + 15
-8m = 45 + 15

Combine like terms: 45 + 15 = 60
-8m = 60

Divide each side by '-8'.
m = -7.5

Simplifying
m = -7.5

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