3x+8+5=-9

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Solution for 3x+8+5=-9 equation: 


Simplifying
3x + 8 + 5 = -9

Reorder the terms:
8 + 5 + 3x = -9

Combine like terms: 8 + 5 = 13
13 + 3x = -9

Solving
13 + 3x = -9

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 3x = -9 + -13

Combine like terms: 13 + -13 = 0
0 + 3x = -9 + -13
3x = -9 + -13

Combine like terms: -9 + -13 = -22
3x = -22

Divide each side by '3'.
x = -7.333333333

Simplifying
x = -7.333333333

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