Solutions by everydaycalculation.com

How to solve 3/17 = 12/x? Get the answer and stepwise instruction to solve linear equation in one variable 𝒙.

We have 317 = 12**x**

Cross multiplying the ratios, gives

3**x** = 17 × 12

Divide both sides by 3, which is the coefficient of **x****Note: ** if a = b, then a ÷ c = b ÷ c

Therefore, 3**x**3 = 17 × 123

**x** = 2043

To simplify, divide both numerator and denominator by 3, which is the GCF of 204 and 3:

**x** = 681 or, **x** = 68