3-y+18=2(y-6)

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Solution for 3-y+18=2(y-6) equation: 


Simplifying
3 + -1y + 18 = 2(y + -6)

Reorder the terms:
3 + 18 + -1y = 2(y + -6)

Combine like terms: 3 + 18 = 21
21 + -1y = 2(y + -6)

Reorder the terms:
21 + -1y = 2(-6 + y)
21 + -1y = (-6 * 2 + y * 2)
21 + -1y = (-12 + 2y)

Solving
21 + -1y = -12 + 2y

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.
21 + -1y + -2y = -12 + 2y + -2y

Combine like terms: -1y + -2y = -3y
21 + -3y = -12 + 2y + -2y

Combine like terms: 2y + -2y = 0
21 + -3y = -12 + 0
21 + -3y = -12

Add '-21' to each side of the equation.
21 + -21 + -3y = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -3y = -12 + -21
-3y = -12 + -21

Combine like terms: -12 + -21 = -33
-3y = -33

Divide each side by '-3'.
y = 11

Simplifying
y = 11

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