7x-3x=2+18

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Solution for 7x-3x=2+18 equation: 


Simplifying
7x + -3x = 2 + 18

Combine like terms: 7x + -3x = 4x
4x = 2 + 18

Combine like terms: 2 + 18 = 20
4x = 20

Solving
4x = 20

Solving for variable 'x'.

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

Divide each side by '4'.
x = 5

Simplifying
x = 5

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