-7(m+1)-m-8=(m+3)+9

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Solution for -7(m+1)-m-8=(m+3)+9 equation:


Simplifying
-7(m + 1) + -1m + -8 = (m + 3) + 9

Reorder the terms:
-7(1 + m) + -1m + -8 = (m + 3) + 9
(1 * -7 + m * -7) + -1m + -8 = (m + 3) + 9
(-7 + -7m) + -1m + -8 = (m + 3) + 9

Reorder the terms:
-7 + -8 + -7m + -1m = (m + 3) + 9

Combine like terms: -7 + -8 = -15
-15 + -7m + -1m = (m + 3) + 9

Combine like terms: -7m + -1m = -8m
-15 + -8m = (m + 3) + 9

Reorder the terms:
-15 + -8m = (3 + m) + 9

Remove parenthesis around (3 + m)
-15 + -8m = 3 + m + 9

Reorder the terms:
-15 + -8m = 3 + 9 + m

Combine like terms: 3 + 9 = 12
-15 + -8m = 12 + m

Solving
-15 + -8m = 12 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-15 + -8m + -1m = 12 + m + -1m

Combine like terms: -8m + -1m = -9m
-15 + -9m = 12 + m + -1m

Combine like terms: m + -1m = 0
-15 + -9m = 12 + 0
-15 + -9m = 12

Add '15' to each side of the equation.
-15 + 15 + -9m = 12 + 15

Combine like terms: -15 + 15 = 0
0 + -9m = 12 + 15
-9m = 12 + 15

Combine like terms: 12 + 15 = 27
-9m = 27

Divide each side by '-9'.
m = -3

Simplifying
m = -3

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