Question

In the equation 5x-2=-x-20, What is the value of x?
a. 2
b. -1
c. -3
d. -2

Answer 1

C choice.

Explanation:

`5x - 2 = - x - 20 \\`

First, we move the same terms to the same side.

`5x + x = - 20 + 2 \\ 6x = - 18`

Then we move 6 to divide - 18.

`x = ( - 18)/(6) \\ x = - 3`