15(-3)+4y=9

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Solution for 15(-3)+4y=9 equation: 


Simplifying
15(-3) + 4y = 9

Multiply 15 * -3
-45 + 4y = 9

Solving
-45 + 4y = 9

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + 4y = 9 + 45

Combine like terms: -45 + 45 = 0
0 + 4y = 9 + 45
4y = 9 + 45

Combine like terms: 9 + 45 = 54
4y = 54

Divide each side by '4'.
y = 13.5

Simplifying
y = 13.5

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