Question

solve 10 + 15x - 30 = 40

Answer 1

We have the next equation

$10+15x-30=40$

We sum similar terms

$15x-20=40$

then we clear x

$\begin{gathered} 15x=40+20 \\ 15x=60 \\ x=\frac{60}{15} \\ x=4 \end{gathered}$

the value of x=4