3(3y+4)+3y=18

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Solution for 3(3y+4)+3y=18 equation: 


Simplifying
3(3y + 4) + 3y = 18

Reorder the terms:
3(4 + 3y) + 3y = 18
(4 * 3 + 3y * 3) + 3y = 18
(12 + 9y) + 3y = 18

Combine like terms: 9y + 3y = 12y
12 + 12y = 18

Solving
12 + 12y = 18

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 12y = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 12y = 18 + -12
12y = 18 + -12

Combine like terms: 18 + -12 = 6
12y = 6

Divide each side by '12'.
y = 0.5

Simplifying
y = 0.5

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