45=-3(2m-7)

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Solution for 45=-3(2m-7) equation: 


Simplifying
45 = -3(2m + -7)

Reorder the terms:
45 = -3(-7 + 2m)
45 = (-7 * -3 + 2m * -3)
45 = (21 + -6m)

Solving
45 = 21 + -6m

Solving for variable 'm'.

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

Add '6m' to each side of the equation.
45 + 6m = 21 + -6m + 6m

Combine like terms: -6m + 6m = 0
45 + 6m = 21 + 0
45 + 6m = 21

Add '-45' to each side of the equation.
45 + -45 + 6m = 21 + -45

Combine like terms: 45 + -45 = 0
0 + 6m = 21 + -45
6m = 21 + -45

Combine like terms: 21 + -45 = -24
6m = -24

Divide each side by '6'.
m = -4

Simplifying
m = -4

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