3x+90=99

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Solution for 3x+90=99 equation: 


Simplifying
3x + 90 = 99

Reorder the terms:
90 + 3x = 99

Solving
90 + 3x = 99

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 3x = 99 + -90

Combine like terms: 90 + -90 = 0
0 + 3x = 99 + -90
3x = 99 + -90

Combine like terms: 99 + -90 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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