Question

Evaluate the expression, in simplest formx= - 4/5y= 3/4expression: x-3y

Answer 1

The given expression is

`x-3y`

Where x = -4/5, and y = 3/4.

Replacing the given values, we have

`x-3y=-(4)/(5)-3\cdot(3)/(4)=-(4)/(5)-(9)/(4)`

Now, we sum fractions

`-(4)/(5)-(9)/(4)=(-4\cdot4-9\cdot5)/(20)=(-16-45)/(20)=(-61)/(20)`

Therefore, the simplest form is -61/20.