5*9-3y=15

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Solution for 5*9-3y=15 equation: 


Simplifying
5 * 9 + -3y = 15

Multiply 5 * 9
45 + -3y = 15

Solving
45 + -3y = 15

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 + -3y = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -3y = 15 + -45
-3y = 15 + -45

Combine like terms: 15 + -45 = -30
-3y = -30

Divide each side by '-3'.
y = 10

Simplifying
y = 10

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