Tell whether each equation has one, zero, or infinitely many solutions.
If the equation has one solution, solve the equation.
11. 6(x - 1) = 6x-1
10. 4(x-2) - 4x + 10
13. 4x + 5 = 9+ 4x 6.
12. 6n + 7-2n-14 = 5n + 1
15. 40-8x + 12) = -26-32x
14.8(y + 4) = 7y + 38