3x+9=16+2

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Solution for 3x+9=16+2 equation: 


Simplifying
3x + 9 = 16 + 2

Reorder the terms:
9 + 3x = 16 + 2

Combine like terms: 16 + 2 = 18
9 + 3x = 18

Solving
9 + 3x = 18

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 + 3x = 18 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 18 + -9
3x = 18 + -9

Combine like terms: 18 + -9 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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