Question

Julieta needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 6 hours and charged her $81 for parts. The total was $771. Write and solve an equation which can be used to determine

x
x, the cost of the labor per hour.

Answer 1

The equation will be 6x + 81 = 771
To solve: 1. Subtract 81 from both sides. It will cancel out on the left. On the right, it will be 690.
2. Divide 6 on each side to get x by itself.
3. x = 115
$115 is the cost of the labor per hour.

Hope this helps!

Answer 2

6x + 81 = 771
X = 115