4x-2x=100-20

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Solution for 4x-2x=100-20 equation: 


Simplifying
4x + -2x = 100 + -20

Combine like terms: 4x + -2x = 2x
2x = 100 + -20

Combine like terms: 100 + -20 = 80
2x = 80

Solving
2x = 80

Solving for variable 'x'.

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

Divide each side by '2'.
x = 40

Simplifying
x = 40

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