Question

The sum of three times a number and -23 is 28.

Answer 1

3 times a number and -23 is 28.

number=n

3n+(-23)=28

3n-23=28

Add 23 to both sides.

3n= 51

Divide by 3.

n=17

I hope this helps!
~kaikers

Answer 2

the equation is
3x - 23 = 28