3y-9=y+3

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


Simplifying
3y + -9 = y + 3

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

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

Solving
-9 + 3y = 3 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-9 + 3y + -1y = 3 + y + -1y

Combine like terms: 3y + -1y = 2y
-9 + 2y = 3 + y + -1y

Combine like terms: y + -1y = 0
-9 + 2y = 3 + 0
-9 + 2y = 3

Add '9' to each side of the equation.
-9 + 9 + 2y = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 2y = 3 + 9
2y = 3 + 9

Combine like terms: 3 + 9 = 12
2y = 12

Divide each side by '2'.
y = 6

Simplifying
y = 6

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