9+3x+7x=99

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Solution for 9+3x+7x=99 equation: 


Simplifying
9 + 3x + 7x = 99

Combine like terms: 3x + 7x = 10x
9 + 10x = 99

Solving
9 + 10x = 99

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 = 99 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = 99 + -9
10x = 99 + -9

Combine like terms: 99 + -9 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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