Question

(-x) + (-3) = x + 3

x = ​

Answer 1

x = -3

Explanation:

-x +- 3 = x + 3

-x - 3 = x + 3 (+- is equal to -)

- 3 = 2x + 3 (add x to both sides, to remove the x on the left side)

- 6 = 2x (subtract 3 on both sides)

x = -3 (divide by 2)