-4(m-3)+7+5m=21

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Solution for -4(m-3)+7+5m=21 equation:


Simplifying
-4(m + -3) + 7 + 5m = 21

Reorder the terms:
-4(-3 + m) + 7 + 5m = 21
(-3 * -4 + m * -4) + 7 + 5m = 21
(12 + -4m) + 7 + 5m = 21

Reorder the terms:
12 + 7 + -4m + 5m = 21

Combine like terms: 12 + 7 = 19
19 + -4m + 5m = 21

Combine like terms: -4m + 5m = 1m
19 + 1m = 21

Solving
19 + 1m = 21

Solving for variable 'm'.

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

Add '-19' to each side of the equation.
19 + -19 + 1m = 21 + -19

Combine like terms: 19 + -19 = 0
0 + 1m = 21 + -19
1m = 21 + -19

Combine like terms: 21 + -19 = 2
1m = 2

Divide each side by '1'.
m = 2

Simplifying
m = 2

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