An equation is: 2(x+3)-7=9 Distribute the 2 2(x)+2(3) -7=9 2x+6-7=9 Combine like terms 2x-1=9 Add one to both sides 2x-1+1=9+1 2x=10 Divide both sides by two to isolate the variable. 2x/2=10/2 x=m
That's $600....so....he needs 200 more ..he'll need to work 3 hours at the grocery store...giving him a total of =252......and $852 gives him 52 extra dollars :)