Respuesta :

agallegos0905
15+b=23 Simplify both sides of the equation.b+15=23 Subtract 15 from both sides.b+15−15=23−15 b=8 
vnicole9938
You start off by doing the opposite of adding 15
you subtract 15 from 23 and get 8
So since this is a simple one step equation b=8
then plug in the number 15+8=23

Hope this helps!! :D