3(m-3)+7(m+3)=16-4(7-m)

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Solution for 3(m-3)+7(m+3)=16-4(7-m) equation:


Simplifying
3(m + -3) + 7(m + 3) = 16 + -4(7 + -1m)

Reorder the terms:
3(-3 + m) + 7(m + 3) = 16 + -4(7 + -1m)
(-3 * 3 + m * 3) + 7(m + 3) = 16 + -4(7 + -1m)
(-9 + 3m) + 7(m + 3) = 16 + -4(7 + -1m)

Reorder the terms:
-9 + 3m + 7(3 + m) = 16 + -4(7 + -1m)
-9 + 3m + (3 * 7 + m * 7) = 16 + -4(7 + -1m)
-9 + 3m + (21 + 7m) = 16 + -4(7 + -1m)

Reorder the terms:
-9 + 21 + 3m + 7m = 16 + -4(7 + -1m)

Combine like terms: -9 + 21 = 12
12 + 3m + 7m = 16 + -4(7 + -1m)

Combine like terms: 3m + 7m = 10m
12 + 10m = 16 + -4(7 + -1m)
12 + 10m = 16 + (7 * -4 + -1m * -4)
12 + 10m = 16 + (-28 + 4m)

Combine like terms: 16 + -28 = -12
12 + 10m = -12 + 4m

Solving
12 + 10m = -12 + 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.
12 + 10m + -4m = -12 + 4m + -4m

Combine like terms: 10m + -4m = 6m
12 + 6m = -12 + 4m + -4m

Combine like terms: 4m + -4m = 0
12 + 6m = -12 + 0
12 + 6m = -12

Add '-12' to each side of the equation.
12 + -12 + 6m = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 6m = -12 + -12
6m = -12 + -12

Combine like terms: -12 + -12 = -24
6m = -24

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

Simplifying
m = -4

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