6=x-3+3x-9

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Solution for 6=x-3+3x-9 equation:


Simplifying
6 = x + -3 + 3x + -9

Reorder the terms:
6 = -3 + -9 + x + 3x

Combine like terms: -3 + -9 = -12
6 = -12 + x + 3x

Combine like terms: x + 3x = 4x
6 = -12 + 4x

Solving
6 = -12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
6 + -4x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
6 + -4x = -12 + 0
6 + -4x = -12

Add '-6' to each side of the equation.
6 + -6 + -4x = -12 + -6

Combine like terms: 6 + -6 = 0
0 + -4x = -12 + -6
-4x = -12 + -6

Combine like terms: -12 + -6 = -18
-4x = -18

Divide each side by '-4'.
x = 4.5

Simplifying
x = 4.5

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