40=2x-4

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Solution for 40=2x-4 equation: 


Simplifying
40 = 2x + -4

Reorder the terms:
40 = -4 + 2x

Solving
40 = -4 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.
40 + -2x = -4 + 2x + -2x

Combine like terms: 2x + -2x = 0
40 + -2x = -4 + 0
40 + -2x = -4

Add '-40' to each side of the equation.
40 + -40 + -2x = -4 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = -4 + -40
-2x = -4 + -40

Combine like terms: -4 + -40 = -44
-2x = -44

Divide each side by '-2'.
x = 22

Simplifying
x = 22

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