Solve 3/4=12/x + 5 .

Answer 1

3 / 4 = 12 / x + 5

Subtract 5 to both sides.

3 / 4 - 5 = 12 / x

3 / 4 - 20 / 4 = 12 / x

- 17 / 4 = 12 / x

Cross multiply.

- 17 ∙ x = 4 ∙ 12

- 17 x = 48

Divide both sides by - 17

x = - 48 / 17