Answer :
So you start by distributing the 2 and 7 so you get (18x-2) +(7x+42) =-60
Then you add like terms giving you (25x+40)=-60
Then subtract 40 and you get 25x=-100
Finally you divide and get x=-4
Then you add like terms giving you (25x+40)=-60
Then subtract 40 and you get 25x=-100
Finally you divide and get x=-4