9x-78=6x-9

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Solution for 9x-78=6x-9 equation:


Simplifying
9x + -78 = 6x + -9

Reorder the terms:
-78 + 9x = 6x + -9

Reorder the terms:
-78 + 9x = -9 + 6x

Solving
-78 + 9x = -9 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-78 + 9x + -6x = -9 + 6x + -6x

Combine like terms: 9x + -6x = 3x
-78 + 3x = -9 + 6x + -6x

Combine like terms: 6x + -6x = 0
-78 + 3x = -9 + 0
-78 + 3x = -9

Add '78' to each side of the equation.
-78 + 78 + 3x = -9 + 78

Combine like terms: -78 + 78 = 0
0 + 3x = -9 + 78
3x = -9 + 78

Combine like terms: -9 + 78 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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