3x+6-9x=20+2x-4

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Solution for 3x+6-9x=20+2x-4 equation:


Simplifying
3x + 6 + -9x = 20 + 2x + -4

Reorder the terms:
6 + 3x + -9x = 20 + 2x + -4

Combine like terms: 3x + -9x = -6x
6 + -6x = 20 + 2x + -4

Reorder the terms:
6 + -6x = 20 + -4 + 2x

Combine like terms: 20 + -4 = 16
6 + -6x = 16 + 2x

Solving
6 + -6x = 16 + 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 + -6x + -2x = 16 + 2x + -2x

Combine like terms: -6x + -2x = -8x
6 + -8x = 16 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + -8x = 16 + 0
6 + -8x = 16

Add '-6' to each side of the equation.
6 + -6 + -8x = 16 + -6

Combine like terms: 6 + -6 = 0
0 + -8x = 16 + -6
-8x = 16 + -6

Combine like terms: 16 + -6 = 10
-8x = 10

Divide each side by '-8'.
x = -1.25

Simplifying
x = -1.25

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