Question

Tell how many solutions each equation has. If it has one solution, solve to find it.

1) 9x + 1 = 8x + 19
2) 9x + 1 = 9x + 2
3) 9x + 3 = 3 (3x + 1)

Answer 1

1) one solution x= 18


2) no solution 1
`\\eq` 2


3)infinite solution 3=3