3x+21=6x+24

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Solution for 3x+21=6x+24 equation:


Simplifying
3x + 21 = 6x + 24

Reorder the terms:
21 + 3x = 6x + 24

Reorder the terms:
21 + 3x = 24 + 6x

Solving
21 + 3x = 24 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21 + 3x + -6x = 24 + 6x + -6x

Combine like terms: 3x + -6x = -3x
21 + -3x = 24 + 6x + -6x

Combine like terms: 6x + -6x = 0
21 + -3x = 24 + 0
21 + -3x = 24

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

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

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

Divide each side by '-3'.
x = -1

Simplifying
x = -1

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