3x+9+x=-11

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Solution for 3x+9+x=-11 equation:


Simplifying
3x + 9 + x = -11

Reorder the terms:
9 + 3x + x = -11

Combine like terms: 3x + x = 4x
9 + 4x = -11

Solving
9 + 4x = -11

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 + 4x = -11 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = -11 + -9
4x = -11 + -9

Combine like terms: -11 + -9 = -20
4x = -20

Divide each side by '4'.
x = -5

Simplifying
x = -5

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