21x-24=3x+3

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Solution for 21x-24=3x+3 equation:


Simplifying
21x + -24 = 3x + 3

Reorder the terms:
-24 + 21x = 3x + 3

Reorder the terms:
-24 + 21x = 3 + 3x

Solving
-24 + 21x = 3 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-24 + 21x + -3x = 3 + 3x + -3x

Combine like terms: 21x + -3x = 18x
-24 + 18x = 3 + 3x + -3x

Combine like terms: 3x + -3x = 0
-24 + 18x = 3 + 0
-24 + 18x = 3

Add '24' to each side of the equation.
-24 + 24 + 18x = 3 + 24

Combine like terms: -24 + 24 = 0
0 + 18x = 3 + 24
18x = 3 + 24

Combine like terms: 3 + 24 = 27
18x = 27

Divide each side by '18'.
x = 1.5

Simplifying
x = 1.5

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