Question

(10-x)×3+1=(30+2x):2

Answer 1

$(10-x)*3+1= \frac{30+2x}{2} \\ \\ 30-3x+1= \frac{30+2x}{2} \\ \\ 31-3x= \frac{30+2x}{2} \\ \\ 2*(31-3x)= 30+2x \\ \\ 62-6x=30+2x \\ \\ -6x-2x=30-62 \\ \\ -8x=-32 \\ \\ x= \frac{-32}{-8} \\ \\ x=4$