Question 155255
First simplify the equation by removing parentheses and then combining like terms.
6m + 8 + 3m + 10 = 90
9m + 18 = 90
Next solve the equation for m,
9m + 18 - 18 = 90 - 18    (subtract 18 from both sides)
9m = 72
9m/9 = 72/9    (divide both sides by 9)
m = 8