18y=22y+9-28y-21y+7

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Solution for 18y=22y+9-28y-21y+7 equation:


Simplifying
18y = 22y + 9 + -28y + -21y + 7

Reorder the terms:
18y = 9 + 7 + 22y + -28y + -21y

Combine like terms: 9 + 7 = 16
18y = 16 + 22y + -28y + -21y

Combine like terms: 22y + -28y = -6y
18y = 16 + -6y + -21y

Combine like terms: -6y + -21y = -27y
18y = 16 + -27y

Solving
18y = 16 + -27y

Solving for variable 'y'.

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

Add '27y' to each side of the equation.
18y + 27y = 16 + -27y + 27y

Combine like terms: 18y + 27y = 45y
45y = 16 + -27y + 27y

Combine like terms: -27y + 27y = 0
45y = 16 + 0
45y = 16

Divide each side by '45'.
y = 0.3555555556

Simplifying
y = 0.3555555556

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