3x=99-18x

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Solution for 3x=99-18x equation: 


Simplifying
3x = 99 + -18x

Solving
3x = 99 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
3x + 18x = 99 + -18x + 18x

Combine like terms: 3x + 18x = 21x
21x = 99 + -18x + 18x

Combine like terms: -18x + 18x = 0
21x = 99 + 0
21x = 99

Divide each side by '21'.
x = 4.714285714

Simplifying
x = 4.714285714

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