Question

PLEASE HELP ME ASAP
How many solutions does the equation 6s − 3s − 9 = −2 + 3 have?

Only one
None
Two
Infinitely many

Answer 1

$6s-3s-9=-2+3\\\\3s-9=1\ \ \ |+9\\\\3s=10\ \ \ \ |:3\\\\s=\dfrac{10}{3}\to s=3\dfrac{1}{3}\\\\\text{Answer: Only one}$