x+2x+90=

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Solution for x+2x+90= equation:


Simplifying
x + 2x + 90 = 0

Reorder the terms:
90 + x + 2x = 0

Combine like terms: x + 2x = 3x
90 + 3x = 0

Solving
90 + 3x = 0

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 3x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 3x = 0 + -90
3x = 0 + -90

Combine like terms: 0 + -90 = -90
3x = -90

Divide each side by '3'.
x = -30

Simplifying
x = -30

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