6, 5, 4, or 3?
5x - 17 = -x + 7
Add x to both sides of the equation.
6x - 17 = 7
Add 17 to both sides of the equation.
6x = 24
Divide both sides by 6 .
x = 4
Check: does 5(4) - 17 = -4 + 7 ?
3 = 3 Yep!
