`b, ( 5674 - 97 ) - 5674`
`= 5674 - 97 - 5674`
`= ( 5674 - 5674 ) - 97`
`= 0 - 97`
`= - 97`
`c, ( - 1075 ) - ( 29 - 1075 )`
`= ( - 1075 ) - 29 + 1075`
`= [ ( - 1075 ) + 1075 ] - 29`
`= 0 - 29`
`= - 29`
`d, ( 18 + 29 ) + ( 158 - 18 - 29 )`
`= 18 + 29 + 158 - 18 - 29`
`= ( 18 - 18 ) + ( 29 - 29 ) + 158`
`= 0 + 0 + 158`
`= 0 + 158`
`= 158`
`e, ( 13 - 135 + 49 ) - ( 13 + 49 )`
`= 13 - 135 + 49 - 13 - 49`
`= ( 13 - 13 ) + ( 49 - 49 ) - 135`
`= 0 + 0 - 135`
`= 0 - 135`
`= - 135`