3y+6=3+18

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Solution for 3y+6=3+18 equation: 


Simplifying
3y + 6 = 3 + 18

Reorder the terms:
6 + 3y = 3 + 18

Combine like terms: 3 + 18 = 21
6 + 3y = 21

Solving
6 + 3y = 21

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 3y = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 3y = 21 + -6
3y = 21 + -6

Combine like terms: 21 + -6 = 15
3y = 15

Divide each side by '3'.
y = 5

Simplifying
y = 5

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