3(m+4)-5(2m+1)=-4m+9

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Solution for 3(m+4)-5(2m+1)=-4m+9 equation:


Simplifying
3(m + 4) + -5(2m + 1) = -4m + 9

Reorder the terms:
3(4 + m) + -5(2m + 1) = -4m + 9
(4 * 3 + m * 3) + -5(2m + 1) = -4m + 9
(12 + 3m) + -5(2m + 1) = -4m + 9

Reorder the terms:
12 + 3m + -5(1 + 2m) = -4m + 9
12 + 3m + (1 * -5 + 2m * -5) = -4m + 9
12 + 3m + (-5 + -10m) = -4m + 9

Reorder the terms:
12 + -5 + 3m + -10m = -4m + 9

Combine like terms: 12 + -5 = 7
7 + 3m + -10m = -4m + 9

Combine like terms: 3m + -10m = -7m
7 + -7m = -4m + 9

Reorder the terms:
7 + -7m = 9 + -4m

Solving
7 + -7m = 9 + -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.
7 + -7m + 4m = 9 + -4m + 4m

Combine like terms: -7m + 4m = -3m
7 + -3m = 9 + -4m + 4m

Combine like terms: -4m + 4m = 0
7 + -3m = 9 + 0
7 + -3m = 9

Add '-7' to each side of the equation.
7 + -7 + -3m = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -3m = 9 + -7
-3m = 9 + -7

Combine like terms: 9 + -7 = 2
-3m = 2

Divide each side by '-3'.
m = -0.6666666667

Simplifying
m = -0.6666666667

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