6x+9=-66-9x

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Solution for 6x+9=-66-9x equation:


Simplifying
6x + 9 = -66 + -9x

Reorder the terms:
9 + 6x = -66 + -9x

Solving
9 + 6x = -66 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
9 + 6x + 9x = -66 + -9x + 9x

Combine like terms: 6x + 9x = 15x
9 + 15x = -66 + -9x + 9x

Combine like terms: -9x + 9x = 0
9 + 15x = -66 + 0
9 + 15x = -66

Add '-9' to each side of the equation.
9 + -9 + 15x = -66 + -9

Combine like terms: 9 + -9 = 0
0 + 15x = -66 + -9
15x = -66 + -9

Combine like terms: -66 + -9 = -75
15x = -75

Divide each side by '15'.
x = -5

Simplifying
x = -5

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