8x+7x=9

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Solution for 8x+7x=9 equation: 


Simplifying
8x + 7x = 9

Combine like terms: 8x + 7x = 15x
15x = 9

Solving
15x = 9

Solving for variable 'x'.

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

Divide each side by '15'.
x = 0.6

Simplifying
x = 0.6

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