90.9=9(m+3.4)

Solution for 90.9=9(m+3.4) equation:

Simplifying
90.9 = 9(m + 3.4)

Reorder the terms:
90.9 = 9(3.4 + m)
90.9 = (3.4 * 9 + m * 9)
90.9 = (30.6 + 9m)

Solving
90.9 = 30.6 + 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.
90.9 + -9m = 30.6 + 9m + -9m

Combine like terms: 9m + -9m = 0
90.9 + -9m = 30.6 + 0
90.9 + -9m = 30.6

Add '-90.9' to each side of the equation.
90.9 + -90.9 + -9m = 30.6 + -90.9

Combine like terms: 90.9 + -90.9 = 0.0
0.0 + -9m = 30.6 + -90.9
-9m = 30.6 + -90.9

Combine like terms: 30.6 + -90.9 = -60.3
-9m = -60.3

Divide each side by '-9'.
m = 6.7

Simplifying
m = 6.7