2-(y+20)=3y

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


Simplifying
2 + -1(y + 20) = 3y

Reorder the terms:
2 + -1(20 + y) = 3y
2 + (20 * -1 + y * -1) = 3y
2 + (-20 + -1y) = 3y

Combine like terms: 2 + -20 = -18
-18 + -1y = 3y

Solving
-18 + -1y = 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-18 + -1y + -3y = 3y + -3y

Combine like terms: -1y + -3y = -4y
-18 + -4y = 3y + -3y

Combine like terms: 3y + -3y = 0
-18 + -4y = 0

Add '18' to each side of the equation.
-18 + 18 + -4y = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -4y = 0 + 18
-4y = 0 + 18

Combine like terms: 0 + 18 = 18
-4y = 18

Divide each side by '-4'.
y = -4.5

Simplifying
y = -4.5

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