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2 votes
What is the value of x in the equation-6/7 = -x/84?

A. -98
B. -72
C. 72
D. 98

User Bblincoe
by
9.0k points

1 Answer

4 votes
So for this equation, all you have to do is multiply by the reciprocal of
- (1)/(84) , aka -84, on each side and it'll look like this:


(-(84)/(1)) * (-(6)/(7)) = -(x)/(84) *(-(84)/(1)) \\ \\ (504)/(7) = (72)/(1)=72=x

tl;dr: The correct option is C.
User Tongtong
by
7.4k points

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