20x=7x+21

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Solution for 20x=7x+21 equation: 


Simplifying
20x = 7x + 21

Reorder the terms:
20x = 21 + 7x

Solving
20x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20x + -7x = 21 + 7x + -7x

Combine like terms: 20x + -7x = 13x
13x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
13x = 21 + 0
13x = 21

Divide each side by '13'.
x = 1.615384615

Simplifying
x = 1.615384615

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