Question

Write an equation. Let x be the unknown number.

10 is the sum of three and twice a number

Answer 1

10 = 3 + 2x

Explanation:

twice the number is 2x

the sum of 2x and 3 is written as 2x + 3

2x + 3 =10

Answer 2

10 is the SUM of 3 and TWICE a number
So 3 and twice a number..would add up to 10. Twice a number is like times a number by 2.
So let’s write the equation:
10=3+2x or 3+2x=10