21x-17x=20-6

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Solution for 21x-17x=20-6 equation: 


Simplifying
21x + -17x = 20 + -6

Combine like terms: 21x + -17x = 4x
4x = 20 + -6

Combine like terms: 20 + -6 = 14
4x = 14

Solving
4x = 14

Solving for variable 'x'.

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

Divide each side by '4'.
x = 3.5

Simplifying
x = 3.5

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