Question

If x - 9 = 2x + 10, what is the value of x? a. -19 b. 19 c. 6.3 d. -6.3 e. none of the above

Answer 1

Answer: a -19

Step-by-step explanation: x - 9 + 9 - 2x = 2x - 2x + 10 + 19 <=> -x = 19 <=> x = -19