Jason S. answered • 10/11/13

My goal is the success of my students. Knowledge-Patience-Honesty

8(x-5) + x = 9(x-5) + 5

Distribute through.

8x - 40 + x = 9x - 45 + 5

Combine like terms.

8x + x - 40 = 9x - 45 + 5

9x - 40 = 9x -40

Add 40 to both sides.

9x = 9x

Subtract 9x from both sides.

0 = 0

Solution is true for all real numbers.

(-∞, ∞)