3x+6=2x-21

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Solution for 3x+6=2x-21 equation:


Simplifying
3x + 6 = 2x + -21

Reorder the terms:
6 + 3x = 2x + -21

Reorder the terms:
6 + 3x = -21 + 2x

Solving
6 + 3x = -21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
6 + 3x + -2x = -21 + 2x + -2x

Combine like terms: 3x + -2x = 1x
6 + 1x = -21 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + 1x = -21 + 0
6 + 1x = -21

Add '-6' to each side of the equation.
6 + -6 + 1x = -21 + -6

Combine like terms: 6 + -6 = 0
0 + 1x = -21 + -6
1x = -21 + -6

Combine like terms: -21 + -6 = -27
1x = -27

Divide each side by '1'.
x = -27

Simplifying
x = -27

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