well, just plug in the numbers!
-x+4y = -(-4/5)+4(1/3)
= 4/5 + 4/3
...
I assume that since you are apparently taking algebra, you can handle the fractions, no?
Evaluate -x+4y when x=-4/5 and y=1/3. Write your answer as a fraction or mixed number in simplest form.
3 answers
jhugiyu
I don't know, I'm not good at math.