Question

Four times a number is 21 more than the number

Answer 1

The number is 7

Explanation:

4 multiplied by a number(N)

4 X N

Is equal to 21 more than the number

21 + N

4 X N = 21 + N

4N = 21 + N

Subtract N from both sides

3N = 21

Divide by 3

N = 7