
Remove unnecessary parenthesis

When there is a "+" in front of the parenthesis the expression remains the same

Collect the like terms by subtracting their coefficients

Calculate the difference


Add numbers

Answer:
Using the information provided, you would do 17/.85 to find the total amount. Subtract that quotient from 17 and you will get how much your friend spent.
She must wash at least 13 cars
The answer is B) 4
the two angles adjacent to the exterior angle equal each other so the equation would be 14x+58=27x+6 subtract the 14x from the 27x
58=13x+6 subtract the 6 from 58
52=13x divide 52/13 leaving you with x=4