3(2y+1)-y=18

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Solution for 3(2y+1)-y=18 equation:


Simplifying
3(2y + 1) + -1y = 18

Reorder the terms:
3(1 + 2y) + -1y = 18
(1 * 3 + 2y * 3) + -1y = 18
(3 + 6y) + -1y = 18

Combine like terms: 6y + -1y = 5y
3 + 5y = 18

Solving
3 + 5y = 18

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 + 5y = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 5y = 18 + -3
5y = 18 + -3

Combine like terms: 18 + -3 = 15
5y = 15

Divide each side by '5'.
y = 3

Simplifying
y = 3

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