21x+24=20x+27

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Solution for 21x+24=20x+27 equation:


Simplifying
21x + 24 = 20x + 27

Reorder the terms:
24 + 21x = 20x + 27

Reorder the terms:
24 + 21x = 27 + 20x

Solving
24 + 21x = 27 + 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.
24 + 21x + -20x = 27 + 20x + -20x

Combine like terms: 21x + -20x = 1x
24 + 1x = 27 + 20x + -20x

Combine like terms: 20x + -20x = 0
24 + 1x = 27 + 0
24 + 1x = 27

Add '-24' to each side of the equation.
24 + -24 + 1x = 27 + -24

Combine like terms: 24 + -24 = 0
0 + 1x = 27 + -24
1x = 27 + -24

Combine like terms: 27 + -24 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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