x-9=3x-8

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Solution for x-9=3x-8 equation:


Simplifying
x + -9 = 3x + -8

Reorder the terms:
-9 + x = 3x + -8

Reorder the terms:
-9 + x = -8 + 3x

Solving
-9 + x = -8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-9 + x + -3x = -8 + 3x + -3x

Combine like terms: x + -3x = -2x
-9 + -2x = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + -2x = -8 + 0
-9 + -2x = -8

Add '9' to each side of the equation.
-9 + 9 + -2x = -8 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = -8 + 9
-2x = -8 + 9

Combine like terms: -8 + 9 = 1
-2x = 1

Divide each side by '-2'.
x = -0.5

Simplifying
x = -0.5

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