3(15)+8y=9

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Solution for 3(15)+8y=9 equation: 


Simplifying
3(15) + 8y = 9

Multiply 3 * 15
45 + 8y = 9

Solving
45 + 8y = 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 + 8y = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 8y = 9 + -45
8y = 9 + -45

Combine like terms: 9 + -45 = -36
8y = -36

Divide each side by '8'.
y = -4.5

Simplifying
y = -4.5

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