3x-9=8x-69

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Solution for 3x-9=8x-69 equation:


Simplifying
3x + -9 = 8x + -69

Reorder the terms:
-9 + 3x = 8x + -69

Reorder the terms:
-9 + 3x = -69 + 8x

Solving
-9 + 3x = -69 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-9 + 3x + -8x = -69 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-9 + -5x = -69 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -5x = -69 + 0
-9 + -5x = -69

Add '9' to each side of the equation.
-9 + 9 + -5x = -69 + 9

Combine like terms: -9 + 9 = 0
0 + -5x = -69 + 9
-5x = -69 + 9

Combine like terms: -69 + 9 = -60
-5x = -60

Divide each side by '-5'.
x = 12

Simplifying
x = 12

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