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I need help how to figure out

2a-6c when a = -1/3 and c = 3/4

3 answers

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