5(15)=5(x)+35 - Add 8+7 then multiply 5 and 7\
75=5x+35 - Multiply 15 and 5 and then multiply 5 and x
75-35= 5x - Bring the 35 over and change the sign
40=5x - Subtract 75 and 35
8=x - divide 40 and 5
Your final answer will be "D" x=8... Hope this helped :)))
