-1(y-20)=2

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Solution for -1(y-20)=2 equation: 


Simplifying
-1(y + -20) = 2

Reorder the terms:
-1(-20 + y) = 2
(-20 * -1 + y * -1) = 2
(20 + -1y) = 2

Solving
20 + -1y = 2

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 = 2 + -20

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

Combine like terms: 2 + -20 = -18
-1y = -18

Divide each side by '-1'.
y = 18

Simplifying
y = 18

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