3(1+2y)-4y=18

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Solution for 3(1+2y)-4y=18 equation:


Simplifying
3(1 + 2y) + -4y = 18
(1 * 3 + 2y * 3) + -4y = 18
(3 + 6y) + -4y = 18

Combine like terms: 6y + -4y = 2y
3 + 2y = 18

Solving
3 + 2y = 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 + 2y = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 18 + -3
2y = 18 + -3

Combine like terms: 18 + -3 = 15
2y = 15

Divide each side by '2'.
y = 7.5

Simplifying
y = 7.5

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