Answer:
Simplifying
X + -4 = 2x
Reorder the terms:
-4 + X = 2x
Solving
-4 + X = 2x
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + X = 4 + 2x
Combine like terms: -4 + 4 = 0
0 + X = 4 + 2x
X = 4 + 2x
Simplifying
X = 4 + 2x
Explanation: