20-y=z

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Solution for 20-y=z equation:


Simplifying
20 + -1y = z

Solving
20 + -1y = z

Solving for variable 'y'.

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

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

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

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

Simplifying
y = 20 + -1z

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