6=12-y+42-2y

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Solution for 6=12-y+42-2y equation:


Simplifying
6 = 12 + -1y + 42 + -2y

Reorder the terms:
6 = 12 + 42 + -1y + -2y

Combine like terms: 12 + 42 = 54
6 = 54 + -1y + -2y

Combine like terms: -1y + -2y = -3y
6 = 54 + -3y

Solving
6 = 54 + -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.
6 + 3y = 54 + -3y + 3y

Combine like terms: -3y + 3y = 0
6 + 3y = 54 + 0
6 + 3y = 54

Add '-6' to each side of the equation.
6 + -6 + 3y = 54 + -6

Combine like terms: 6 + -6 = 0
0 + 3y = 54 + -6
3y = 54 + -6

Combine like terms: 54 + -6 = 48
3y = 48

Divide each side by '3'.
y = 16

Simplifying
y = 16

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