3x+7x-9=11

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Solution for 3x+7x-9=11 equation: 


Simplifying
3x + 7x + -9 = 11

Reorder the terms:
-9 + 3x + 7x = 11

Combine like terms: 3x + 7x = 10x
-9 + 10x = 11

Solving
-9 + 10x = 11

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 + 10x = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 11 + 9
10x = 11 + 9

Combine like terms: 11 + 9 = 20
10x = 20

Divide each side by '10'.
x = 2

Simplifying
x = 2

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