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)
Accepted Solution
A:
Answer: No A,B,C, or D Answer E (other) -3/9Step-by-step explanation:2x+7x=-39x=-3x=-3/9-3/9*2=-6/9-3/9*7=-21/9ADD BOTH -27/9=-3