Question

Question 80
Plz fast

Answer 1

`(3)/(2)` a

Explanation:

Given

a -
`(a)/(4)` +
`(3)/(4)` a

Collect the terms by adding their coefficients, that is

1 -
`(1)/(4)` +
`(3)/(4)`

=
`(4)/(4)` -
`(1)/(4)` +
`(3)/(4)` =
`(3)/(4)` +
`(3)/(4)` =
`(6)/(4)` =
`(3)/(2)`

Thus

a -
`(a)/(4)` +
`(3)/(4)` a =
`(3)/(2)` a