9y+8-4y=28

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Solution for 9y+8-4y=28 equation:


Simplifying
9y + 8 + -4y = 28

Reorder the terms:
8 + 9y + -4y = 28

Combine like terms: 9y + -4y = 5y
8 + 5y = 28

Solving
8 + 5y = 28

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + 5y = 28 + -8

Combine like terms: 8 + -8 = 0
0 + 5y = 28 + -8
5y = 28 + -8

Combine like terms: 28 + -8 = 20
5y = 20

Divide each side by '5'.
y = 4

Simplifying
y = 4

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