20=z+2z-6

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Solution for 20=z+2z-6 equation:


Simplifying
20 = z + 2z + -6

Reorder the terms:
20 = -6 + z + 2z

Combine like terms: z + 2z = 3z
20 = -6 + 3z

Solving
20 = -6 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
20 + -3z = -6 + 3z + -3z

Combine like terms: 3z + -3z = 0
20 + -3z = -6 + 0
20 + -3z = -6

Add '-20' to each side of the equation.
20 + -20 + -3z = -6 + -20

Combine like terms: 20 + -20 = 0
0 + -3z = -6 + -20
-3z = -6 + -20

Combine like terms: -6 + -20 = -26
-3z = -26

Divide each side by '-3'.
z = 8.666666667

Simplifying
z = 8.666666667

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