z+20=2z

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Solution for z+20=2z equation:


Simplifying
z + 20 = 2z

Reorder the terms:
20 + z = 2z

Solving
20 + z = 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
20 + z + -2z = 2z + -2z

Combine like terms: z + -2z = -1z
20 + -1z = 2z + -2z

Combine like terms: 2z + -2z = 0
20 + -1z = 0

Add '-20' to each side of the equation.
20 + -20 + -1z = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -1z = 0 + -20
-1z = 0 + -20

Combine like terms: 0 + -20 = -20
-1z = -20

Divide each side by '-1'.
z = 20

Simplifying
z = 20

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