m+7(m-1)=9

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


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

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

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

Combine like terms: m + 7m = 8m
-7 + 8m = 9

Solving
-7 + 8m = 9

Solving for variable 'm'.

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

Add '7' to each side of the equation.
-7 + 7 + 8m = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 8m = 9 + 7
8m = 9 + 7

Combine like terms: 9 + 7 = 16
8m = 16

Divide each side by '8'.
m = 2

Simplifying
m = 2

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