Solve the Ratio Equation: Finding X in 20:4x=5

Question

Solve the equation

$20:4x=5$

00:00 Solve

00:03 Let's write division as a fraction

00:06 Multiply by denominator to eliminate the fraction

00:19 Simplify what we can

00:25 Isolate the unknown X, and calculate

00:38 And this is the solution to the question

To solve the exercise, we first rewrite the entire division as a fraction:

$\frac{20}{4x}=5$

Actually, we didn't have to do this step, but it's more convenient for the rest of the process.

To get rid of the fraction, we multiply both sides of the equation by the denominator, 4X.

20=5*4X

20=20X

Now we can reduce both sides of the equation by 20 and we will arrive at the result of:

X=1

$x=1$