7m-9=8m+3(m+2)

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Solution for 7m-9=8m+3(m+2) equation:


Simplifying
7m + -9 = 8m + 3(m + 2)

Reorder the terms:
-9 + 7m = 8m + 3(m + 2)

Reorder the terms:
-9 + 7m = 8m + 3(2 + m)
-9 + 7m = 8m + (2 * 3 + m * 3)
-9 + 7m = 8m + (6 + 3m)

Reorder the terms:
-9 + 7m = 6 + 8m + 3m

Combine like terms: 8m + 3m = 11m
-9 + 7m = 6 + 11m

Solving
-9 + 7m = 6 + 11m

Solving for variable 'm'.

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

Add '-11m' to each side of the equation.
-9 + 7m + -11m = 6 + 11m + -11m

Combine like terms: 7m + -11m = -4m
-9 + -4m = 6 + 11m + -11m

Combine like terms: 11m + -11m = 0
-9 + -4m = 6 + 0
-9 + -4m = 6

Add '9' to each side of the equation.
-9 + 9 + -4m = 6 + 9

Combine like terms: -9 + 9 = 0
0 + -4m = 6 + 9
-4m = 6 + 9

Combine like terms: 6 + 9 = 15
-4m = 15

Divide each side by '-4'.
m = -3.75

Simplifying
m = -3.75

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