Question

Eight less than the sum of a number and 5 is 12. what is the number?

Answer 1

X+5-8=12
This is the equation you use. Then add 8 from both sides. You get x+5=20 then subtract 5 from both sides and you'll get x=15 which is the number. Hope it helps and mark as brainliest!

Answer 2

X-8+5=12
x=12+8-5
x=15