4x-40=2x

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Solution for 4x-40=2x equation:


Simplifying
4x + -40 = 2x

Reorder the terms:
-40 + 4x = 2x

Solving
-40 + 4x = 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 + 4x + -2x = 2x + -2x

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

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

Add '40' to each side of the equation.
-40 + 40 + 2x = 0 + 40

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

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

Divide each side by '2'.
x = 20

Simplifying
x = 20

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