20x+21=6x

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Solution for 20x+21=6x equation:


Simplifying
20x + 21 = 6x

Reorder the terms:
21 + 20x = 6x

Solving
21 + 20x = 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21 + 20x + -6x = 6x + -6x

Combine like terms: 20x + -6x = 14x
21 + 14x = 6x + -6x

Combine like terms: 6x + -6x = 0
21 + 14x = 0

Add '-21' to each side of the equation.
21 + -21 + 14x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 14x = 0 + -21
14x = 0 + -21

Combine like terms: 0 + -21 = -21
14x = -21

Divide each side by '14'.
x = -1.5

Simplifying
x = -1.5

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