3(5y+4)=9

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Solution for 3(5y+4)=9 equation:


Simplifying
3(5y + 4) = 9

Reorder the terms:
3(4 + 5y) = 9
(4 * 3 + 5y * 3) = 9
(12 + 15y) = 9

Solving
12 + 15y = 9

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 15y = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 15y = 9 + -12
15y = 9 + -12

Combine like terms: 9 + -12 = -3
15y = -3

Divide each side by '15'.
y = -0.2

Simplifying
y = -0.2

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