Question

Rewrite the equation for x, and express its value in terms of a.
3/ax-4=20

Answer 1

For this case, we must clear variable "x" from the given equation, expressed in terms of "a".

We have:

`\frac {3} {a} x-4 = 20`

By clearing "x" we have:

Adding 4 to both sides of the equation:

`\frac {3} {a} x = 20 + 4`

Multiplying by
`\frac {a} {3}` on both sides of the equation:

`x = \frac {24a} {3}\\x = 8a`

So,
`x = 8a`

Answer:

`x = 8a`