(3x+4)+15=9

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Solution for (3x+4)+15=9 equation:


Simplifying
(3x + 4) + 15 = 9

Reorder the terms:
(4 + 3x) + 15 = 9

Remove parenthesis around (4 + 3x)
4 + 3x + 15 = 9

Reorder the terms:
4 + 15 + 3x = 9

Combine like terms: 4 + 15 = 19
19 + 3x = 9

Solving
19 + 3x = 9

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 3x = 9 + -19

Combine like terms: 19 + -19 = 0
0 + 3x = 9 + -19
3x = 9 + -19

Combine like terms: 9 + -19 = -10
3x = -10

Divide each side by '3'.
x = -3.333333333

Simplifying
x = -3.333333333

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