Question

How do you solve `7x=2x^2`?

Answer 1

`x=3.5`

Explanation:

Original equation: `7x=2x^2`
I can divide both sides by `x` to get rid of one `x`

`(7cancel(x))/cancel(x)=(2x^cancel(2))/cancel(x)`

`7=2x`

Now isolate `x` by dividing `2` on both sides

`7/2=x`

`3.5=x`