3x+9+4x=23

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Solution for 3x+9+4x=23 equation: 


Simplifying
3x + 9 + 4x = 23

Reorder the terms:
9 + 3x + 4x = 23

Combine like terms: 3x + 4x = 7x
9 + 7x = 23

Solving
9 + 7x = 23

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 + 7x = 23 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 23 + -9
7x = 23 + -9

Combine like terms: 23 + -9 = 14
7x = 14

Divide each side by '7'.
x = 2

Simplifying
x = 2

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