3(3y+1)=13y-9

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Solution for 3(3y+1)=13y-9 equation:


Simplifying
3(3y + 1) = 13y + -9

Reorder the terms:
3(1 + 3y) = 13y + -9
(1 * 3 + 3y * 3) = 13y + -9
(3 + 9y) = 13y + -9

Reorder the terms:
3 + 9y = -9 + 13y

Solving
3 + 9y = -9 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
3 + 9y + -13y = -9 + 13y + -13y

Combine like terms: 9y + -13y = -4y
3 + -4y = -9 + 13y + -13y

Combine like terms: 13y + -13y = 0
3 + -4y = -9 + 0
3 + -4y = -9

Add '-3' to each side of the equation.
3 + -3 + -4y = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -4y = -9 + -3
-4y = -9 + -3

Combine like terms: -9 + -3 = -12
-4y = -12

Divide each side by '-4'.
y = 3

Simplifying
y = 3

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