-2(y-3)=20

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Solution for -2(y-3)=20 equation: 


Simplifying
-2(y + -3) = 20

Reorder the terms:
-2(-3 + y) = 20
(-3 * -2 + y * -2) = 20
(6 + -2y) = 20

Solving
6 + -2y = 20

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + -2y = 20 + -6

Combine like terms: 6 + -6 = 0
0 + -2y = 20 + -6
-2y = 20 + -6

Combine like terms: 20 + -6 = 14
-2y = 14

Divide each side by '-2'.
y = -7

Simplifying
y = -7

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