Answer:
-10
Explanation:
take out the parantheses
2x + 6 = x - 4
Put the variable on the left side of the ecuation with the opposite sign
2x + 6 -x = -4
Put the six on the right side of the equation and change the sign
2x - x = - 4 - 6
simplify
x = - 4 - 6
x = -10