For what value of x is the rational expression below equal to zero? 12+2x/6-x

Question

asked Dec 7, 2021 219k views

2 Answers

Alex Timonin · Answer 1 · 2021-12-10T13:32:27+0000

To solve this problem, set the expression equal to zero.

0 = 12 + 2x/6 - x. Multiply everything by 6.

0 = 72 + 2x - 6x. Combine like terms

0 = 72 - 4x. Subtract 72 from both sides.

-72 = -4x. Divide both sides by -4.

18 = x.

The rational expression = 0 when x = 18.