Question

When a number is doubled and then three is added, the result is 51. Write an equation, then solve to find the number. Show your work

Answer 1

Equation :

2y + 3 = 51

Solving :

• 2y + 3 = 51

• 2y = 51 - 3

• 51 - 3 = 48

• 2y = 48

• y = 48 ÷ 2

• 48 ÷ 2 = 24

• so , y = 24