4y-9+y=28

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Solution for 4y-9+y=28 equation: 


Simplifying
4y + -9 + y = 28

Reorder the terms:
-9 + 4y + y = 28

Combine like terms: 4y + y = 5y
-9 + 5y = 28

Solving
-9 + 5y = 28

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 5y = 28 + 9

Combine like terms: -9 + 9 = 0
0 + 5y = 28 + 9
5y = 28 + 9

Combine like terms: 28 + 9 = 37
5y = 37

Divide each side by '5'.
y = 7.4

Simplifying
y = 7.4

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