20x-40=40

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Solution for 20x-40=40 equation: 


Simplifying
20x + -40 = 40

Reorder the terms:
-40 + 20x = 40

Solving
-40 + 20x = 40

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 20x = 40 + 40

Combine like terms: -40 + 40 = 0
0 + 20x = 40 + 40
20x = 40 + 40

Combine like terms: 40 + 40 = 80
20x = 80

Divide each side by '20'.
x = 4

Simplifying
x = 4

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