Question

решите уравнение $\frac{6x+234}{12} =18$

Answer 1

$\frac{6x+234}{12} =18\\\\\frac{6(x+39)}{12} =18\\\\\frac{x+39}{2} =18\;\;\;\;|*2\\\\x+39=36\\\\x=36-39\\\\x=-3$