21x+24=20x+20

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


Simplifying
21x + 24 = 20x + 20

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

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

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

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

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

Add '-24' to each side of the equation.
24 + -24 + 1x = 20 + -24

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

Combine like terms: 20 + -24 = -4
1x = -4

Divide each side by '1'.
x = -4

Simplifying
x = -4

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