12y-4+3y-9=

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Solution for 12y-4+3y-9= equation:


Simplifying
12y + -4 + 3y + -9 = 0

Reorder the terms:
-4 + -9 + 12y + 3y = 0

Combine like terms: -4 + -9 = -13
-13 + 12y + 3y = 0

Combine like terms: 12y + 3y = 15y
-13 + 15y = 0

Solving
-13 + 15y = 0

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 + 15y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 15y = 0 + 13
15y = 0 + 13

Combine like terms: 0 + 13 = 13
15y = 13

Divide each side by '15'.
y = 0.8666666667

Simplifying
y = 0.8666666667

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