Question

I need help how to figure out
2a-6c when a = -1/3 and c = 3/4

Answer 1

2(-1/3)-6(3/4)=-31/6
and if you the answer in decimal then it is -5.16666667.
Check my work

Answer 2

i need help like for you to show the work so i can figure it out i know how to replace the letters with the fractions but i don't know how to figure it out past there.

Answer 3

ana has shown you the first step and the correct answer. You need to put the fractions in common denominator form and add them.

-2/3 -18/4 = -8/12 -54/12 = -62/12
= -31/6 = -5 1/6