8. The sum of twice an unknown, x, times itself added to seven times that unknown is - 3. Which

of the following could be the value of the unknown x?

(A) - 2

(B) 2

(C) - 3

(D) 3 (E)

Question

25 March, 14:12

+5

Answers (1)

Know the Answer?

Marlene · Answer 1

No A, B, C, or D Answer E (other) - 3/9

Step-by-step explanation:

2x+7x=-3

9x=-3

x=-3/9

-3/9*2=-6/9

-3/9*7=-21/9

ADD BOTH

-27/9=-3

8. The sum of twice an unknown, x, times itself added to seven times that unknown is - 3. Whichof the following could be the value of the unknown x?(A) - 2(B) 2(C) - 3(D) 3 (E)