7x+2x=9-1

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Solution for 7x+2x=9-1 equation: 


Simplifying
7x + 2x = 9 + -1

Combine like terms: 7x + 2x = 9x
9x = 9 + -1

Combine like terms: 9 + -1 = 8
9x = 8

Solving
9x = 8

Solving for variable 'x'.

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

Divide each side by '9'.
x = 0.8888888889

Simplifying
x = 0.8888888889

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