3y+9=9y+7

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Solution for 3y+9=9y+7 equation:


Simplifying
3y + 9 = 9y + 7

Reorder the terms:
9 + 3y = 9y + 7

Reorder the terms:
9 + 3y = 7 + 9y

Solving
9 + 3y = 7 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
9 + 3y + -9y = 7 + 9y + -9y

Combine like terms: 3y + -9y = -6y
9 + -6y = 7 + 9y + -9y

Combine like terms: 9y + -9y = 0
9 + -6y = 7 + 0
9 + -6y = 7

Add '-9' to each side of the equation.
9 + -9 + -6y = 7 + -9

Combine like terms: 9 + -9 = 0
0 + -6y = 7 + -9
-6y = 7 + -9

Combine like terms: 7 + -9 = -2
-6y = -2

Divide each side by '-6'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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