(3x+8)+(9x-2)=

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Solution for (3x+8)+(9x-2)= equation:


Simplifying
(3x + 8) + (9x + -2) = 0

Reorder the terms:
(8 + 3x) + (9x + -2) = 0

Remove parenthesis around (8 + 3x)
8 + 3x + (9x + -2) = 0

Reorder the terms:
8 + 3x + (-2 + 9x) = 0

Remove parenthesis around (-2 + 9x)
8 + 3x + -2 + 9x = 0

Reorder the terms:
8 + -2 + 3x + 9x = 0

Combine like terms: 8 + -2 = 6
6 + 3x + 9x = 0

Combine like terms: 3x + 9x = 12x
6 + 12x = 0

Solving
6 + 12x = 0

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 12x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 12x = 0 + -6
12x = 0 + -6

Combine like terms: 0 + -6 = -6
12x = -6

Divide each side by '12'.
x = -0.5

Simplifying
x = -0.5

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