3y+9y-13=11

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Solution for 3y+9y-13=11 equation:


Simplifying
3y + 9y + -13 = 11

Reorder the terms:
-13 + 3y + 9y = 11

Combine like terms: 3y + 9y = 12y
-13 + 12y = 11

Solving
-13 + 12y = 11

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 12y = 11 + 13

Combine like terms: -13 + 13 = 0
0 + 12y = 11 + 13
12y = 11 + 13

Combine like terms: 11 + 13 = 24
12y = 24

Divide each side by '12'.
y = 2

Simplifying
y = 2

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