3x+7+9=18

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Solution for 3x+7+9=18 equation:


Simplifying
3x + 7 + 9 = 18

Reorder the terms:
7 + 9 + 3x = 18

Combine like terms: 7 + 9 = 16
16 + 3x = 18

Solving
16 + 3x = 18

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 3x = 18 + -16

Combine like terms: 16 + -16 = 0
0 + 3x = 18 + -16
3x = 18 + -16

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

Divide each side by '3'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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