\(310-\left(118-x\right)=217\\ 118-x=310-217\\ 118-x=93\\ x=118-93\\ x=25\)
`310 - ( 118-x ) = 217`
` 118-x=310-217`
`118-x=93`
`x=118-93`
`x= 25`
310 - (118 - x) = 217
118 - x = 310 - 217
118 - x = 93
x = 118 - 93
x = 25
310 - ( 118-x ) = 217
118 − x = 310 − 217 = 93
x= 118 - 93 = 25
310 - ( 118-x ) = 217
118-x =310-217
118-x = 93
x = 118-93
x = 25