21x-20=20x+21

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Solution for 21x-20=20x+21 equation:


Simplifying
21x + -20 = 20x + 21

Reorder the terms:
-20 + 21x = 20x + 21

Reorder the terms:
-20 + 21x = 21 + 20x

Solving
-20 + 21x = 21 + 20x

Solving for variable 'x'.

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

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

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

Combine like terms: 20x + -20x = 0
-20 + 1x = 21 + 0
-20 + 1x = 21

Add '20' to each side of the equation.
-20 + 20 + 1x = 21 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = 21 + 20
1x = 21 + 20

Combine like terms: 21 + 20 = 41
1x = 41

Divide each side by '1'.
x = 41

Simplifying
x = 41

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