6x+x-9=54

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


Simplifying
6x + x + -9 = 54

Reorder the terms:
-9 + 6x + x = 54

Combine like terms: 6x + x = 7x
-9 + 7x = 54

Solving
-9 + 7x = 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 + 7x = 54 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = 54 + 9
7x = 54 + 9

Combine like terms: 54 + 9 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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