-9+3x+6x=-54

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Solution for -9+3x+6x=-54 equation: 


Simplifying
-9 + 3x + 6x = -54

Combine like terms: 3x + 6x = 9x
-9 + 9x = -54

Solving
-9 + 9x = -54

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 9x = -54 + 9

Combine like terms: -9 + 9 = 0
0 + 9x = -54 + 9
9x = -54 + 9

Combine like terms: -54 + 9 = -45
9x = -45

Divide each side by '9'.
x = -5

Simplifying
x = -5

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