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

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

Simplifying
3(3m + 7) + -2(m + 9) = 0

Reorder the terms:
3(7 + 3m) + -2(m + 9) = 0
(7 * 3 + 3m * 3) + -2(m + 9) = 0
(21 + 9m) + -2(m + 9) = 0

Reorder the terms:
21 + 9m + -2(9 + m) = 0
21 + 9m + (9 * -2 + m * -2) = 0
21 + 9m + (-18 + -2m) = 0

Reorder the terms:
21 + -18 + 9m + -2m = 0

Combine like terms: 21 + -18 = 3
3 + 9m + -2m = 0

Combine like terms: 9m + -2m = 7m
3 + 7m = 0

Solving
3 + 7m = 0

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + 7m = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7m = 0 + -3
7m = 0 + -3

Combine like terms: 0 + -3 = -3
7m = -3

Divide each side by '7'.
m = -0.4285714286

Simplifying
m = -0.4285714286