21x-20x=10-4

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Solution for 21x-20x=10-4 equation: 


Simplifying
21x + -20x = 10 + -4

Combine like terms: 21x + -20x = 1x
1x = 10 + -4

Combine like terms: 10 + -4 = 6
1x = 6

Solving
1x = 6

Solving for variable 'x'.

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

Divide each side by '1'.
x = 6

Simplifying
x = 6

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