2*3+y+3y=15

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Solution for 2*3+y+3y=15 equation: 


Simplifying
2 * 3 + y + 3y = 15

Multiply 2 * 3
6 + y + 3y = 15

Combine like terms: y + 3y = 4y
6 + 4y = 15

Solving
6 + 4y = 15

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 + 4y = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 4y = 15 + -6
4y = 15 + -6

Combine like terms: 15 + -6 = 9
4y = 9

Divide each side by '4'.
y = 2.25

Simplifying
y = 2.25

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