66=3y+10+y+3+2y-1+12

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Solution for 66=3y+10+y+3+2y-1+12 equation: 


Simplifying
66 = 3y + 10 + y + 3 + 2y + -1 + 12

Reorder the terms:
66 = 10 + 3 + -1 + 12 + 3y + y + 2y

Combine like terms: 10 + 3 = 13
66 = 13 + -1 + 12 + 3y + y + 2y

Combine like terms: 13 + -1 = 12
66 = 12 + 12 + 3y + y + 2y

Combine like terms: 12 + 12 = 24
66 = 24 + 3y + y + 2y

Combine like terms: 3y + y = 4y
66 = 24 + 4y + 2y

Combine like terms: 4y + 2y = 6y
66 = 24 + 6y

Solving
66 = 24 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
66 + -6y = 24 + 6y + -6y

Combine like terms: 6y + -6y = 0
66 + -6y = 24 + 0
66 + -6y = 24

Add '-66' to each side of the equation.
66 + -66 + -6y = 24 + -66

Combine like terms: 66 + -66 = 0
0 + -6y = 24 + -66
-6y = 24 + -66

Combine like terms: 24 + -66 = -42
-6y = -42

Divide each side by '-6'.
y = 7

Simplifying
y = 7

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