Question

10=ax-3b solve for x

Answer 1

the answer is          $\frac{3b+10}{a}$

Answer 2

$10=ax -3b\\\\\sf Add~3b~on~both~sides\\\\10+3b = ax\\\\Divide~a~on~both~sides\\\\\boxed {x= \frac{10+3b}{a} }$