8x-21=3x+24

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Solution for 8x-21=3x+24 equation:


Simplifying
8x + -21 = 3x + 24

Reorder the terms:
-21 + 8x = 3x + 24

Reorder the terms:
-21 + 8x = 24 + 3x

Solving
-21 + 8x = 24 + 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.
-21 + 8x + -3x = 24 + 3x + -3x

Combine like terms: 8x + -3x = 5x
-21 + 5x = 24 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + 5x = 24 + 0
-21 + 5x = 24

Add '21' to each side of the equation.
-21 + 21 + 5x = 24 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = 24 + 21
5x = 24 + 21

Combine like terms: 24 + 21 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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