Question

como resolvo essa conta 2.(x-1)-7=16 sempre que eu faço da errado :´)

Answer 1

$2*(x-1)-7=16\\\\2*(x-1)=16+7\\\\2*(x-1)=23\\\\2x-2=23\\\\2x=23+2\\\\2x=25\\\\x= \frac{25}{2}$