x*2+x-20=

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Solution for x*2+x-20= equation:


Simplifying
x * 2 + x + -20 = 0

Reorder the terms for easier multiplication:
2x + x + -20 = 0

Reorder the terms:
-20 + 2x + x = 0

Combine like terms: 2x + x = 3x
-20 + 3x = 0

Solving
-20 + 3x = 0

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 3x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 0 + 20
3x = 0 + 20

Combine like terms: 0 + 20 = 20
3x = 20

Divide each side by '3'.
x = 6.666666667

Simplifying
x = 6.666666667

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