Question

The sum of a number and twelve is twenty five

Answer 1

13

Explanation:

12 + 13 = 25

10+10=20

20+3+2=25

Answer 2

1. Equation: x + 12 = 25
2. Solved: x = 13

Explanation:

Let x be the number

1. Write it out as an algebraic equation: x + 12 = 25
2. Subtract each side by 12, so it now looks like this: x = 13

I hope this helps!