5(4m+3)=2m-21

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Solution for 5(4m+3)=2m-21 equation:


Simplifying
5(4m + 3) = 2m + -21

Reorder the terms:
5(3 + 4m) = 2m + -21
(3 * 5 + 4m * 5) = 2m + -21
(15 + 20m) = 2m + -21

Reorder the terms:
15 + 20m = -21 + 2m

Solving
15 + 20m = -21 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
15 + 20m + -2m = -21 + 2m + -2m

Combine like terms: 20m + -2m = 18m
15 + 18m = -21 + 2m + -2m

Combine like terms: 2m + -2m = 0
15 + 18m = -21 + 0
15 + 18m = -21

Add '-15' to each side of the equation.
15 + -15 + 18m = -21 + -15

Combine like terms: 15 + -15 = 0
0 + 18m = -21 + -15
18m = -21 + -15

Combine like terms: -21 + -15 = -36
18m = -36

Divide each side by '18'.
m = -2

Simplifying
m = -2

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