-2y-2z=-20

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Solution for -2y-2z=-20 equation: 


Simplifying
-2y + -2z = -20

Solving
-2y + -2z = -20

Solving for variable 'y'.

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

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

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

Divide each side by '-2'.
y = 10 + -1z

Simplifying
y = 10 + -1z

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