x-1-3x+9=-16

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Solution for x-1-3x+9=-16 equation:


Simplifying
x + -1 + -3x + 9 = -16

Reorder the terms:
-1 + 9 + x + -3x = -16

Combine like terms: -1 + 9 = 8
8 + x + -3x = -16

Combine like terms: x + -3x = -2x
8 + -2x = -16

Solving
8 + -2x = -16

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -2x = -16 + -8

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

Combine like terms: -16 + -8 = -24
-2x = -24

Divide each side by '-2'.
x = 12

Simplifying
x = 12

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