3x+9+3=19

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Solution for 3x+9+3=19 equation:


Simplifying
3x + 9 + 3 = 19

Reorder the terms:
9 + 3 + 3x = 19

Combine like terms: 9 + 3 = 12
12 + 3x = 19

Solving
12 + 3x = 19

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 3x = 19 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 19 + -12
3x = 19 + -12

Combine like terms: 19 + -12 = 7
3x = 7

Divide each side by '3'.
x = 2.333333333

Simplifying
x = 2.333333333

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