3y+3+y=12

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Solution for 3y+3+y=12 equation: 


Simplifying
3y + 3 + y = 12

Reorder the terms:
3 + 3y + y = 12

Combine like terms: 3y + y = 4y
3 + 4y = 12

Solving
3 + 4y = 12

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 4y = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 4y = 12 + -3
4y = 12 + -3

Combine like terms: 12 + -3 = 9
4y = 9

Divide each side by '4'.
y = 2.25

Simplifying
y = 2.25

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