Question

How do you solve `.13x+57.96=.08x+63.96`?

Answer 1

By subtracting, you have that

`(.13x+57.96)-(.08x+57.96)=(.08x+63.96)-(.08x+57.96)`

Hence we compute:
`.13x-.08x=.05x`
`63.96-57.96=6`

So we have that

`.05x=6`, so since `0.05*20=1`, by multiplying we have that

`x=20*6=180`