3(m-7)=6(m+1)-15

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Solution for 3(m-7)=6(m+1)-15 equation:


Simplifying
3(m + -7) = 6(m + 1) + -15

Reorder the terms:
3(-7 + m) = 6(m + 1) + -15
(-7 * 3 + m * 3) = 6(m + 1) + -15
(-21 + 3m) = 6(m + 1) + -15

Reorder the terms:
-21 + 3m = 6(1 + m) + -15
-21 + 3m = (1 * 6 + m * 6) + -15
-21 + 3m = (6 + 6m) + -15

Reorder the terms:
-21 + 3m = 6 + -15 + 6m

Combine like terms: 6 + -15 = -9
-21 + 3m = -9 + 6m

Solving
-21 + 3m = -9 + 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.
-21 + 3m + -6m = -9 + 6m + -6m

Combine like terms: 3m + -6m = -3m
-21 + -3m = -9 + 6m + -6m

Combine like terms: 6m + -6m = 0
-21 + -3m = -9 + 0
-21 + -3m = -9

Add '21' to each side of the equation.
-21 + 21 + -3m = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -3m = -9 + 21
-3m = -9 + 21

Combine like terms: -9 + 21 = 12
-3m = 12

Divide each side by '-3'.
m = -4

Simplifying
m = -4

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