20=2y-z

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Solution for 20=2y-z equation:


Simplifying
20 = 2y + -1z

Solving
20 = 2y + -1z

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
20 + -2y = 2y + -2y + -1z

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

Add '-20' to each side of the equation.
20 + -20 + -2y = -20 + -1z

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

Divide each side by '-2'.
y = 10 + 0.5z

Simplifying
y = 10 + 0.5z

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