Philip P. answered 08/27/15
Tutor
4.9
(484)
Affordable, Experienced, and Patient Algebra Tutor
Let x be the first unknown number. The second number is 5 more than x, or x+5. Their sum is 125:
x + (x+5) = 125
Combine like terms:
2x + 5 = 125
Subtract 5 from both sides of the equation:
2x = 120
Can you finish it from here?