2x+6x+18=0

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Solution for 2x+6x+18=0 equation:


Simplifying
2x + 6x + 18 = 0

Reorder the terms:
18 + 2x + 6x = 0

Combine like terms: 2x + 6x = 8x
18 + 8x = 0

Solving
18 + 8x = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 8x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 8x = 0 + -18
8x = 0 + -18

Combine like terms: 0 + -18 = -18
8x = -18

Divide each side by '8'.
x = -2.25

Simplifying
x = -2.25

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