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

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


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

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

Reorder the terms:
7 + 7m = 9(8 + m)
7 + 7m = (8 * 9 + m * 9)
7 + 7m = (72 + 9m)

Solving
7 + 7m = 72 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
7 + 7m + -9m = 72 + 9m + -9m

Combine like terms: 7m + -9m = -2m
7 + -2m = 72 + 9m + -9m

Combine like terms: 9m + -9m = 0
7 + -2m = 72 + 0
7 + -2m = 72

Add '-7' to each side of the equation.
7 + -7 + -2m = 72 + -7

Combine like terms: 7 + -7 = 0
0 + -2m = 72 + -7
-2m = 72 + -7

Combine like terms: 72 + -7 = 65
-2m = 65

Divide each side by '-2'.
m = -32.5

Simplifying
m = -32.5

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