-21y-9=y+-80

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Solution for -21y-9=y+-80 equation:


Simplifying
-21y + -9 = y + -80

Reorder the terms:
-9 + -21y = y + -80

Reorder the terms:
-9 + -21y = -80 + y

Solving
-9 + -21y = -80 + 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 + -21y + -1y = -80 + y + -1y

Combine like terms: -21y + -1y = -22y
-9 + -22y = -80 + y + -1y

Combine like terms: y + -1y = 0
-9 + -22y = -80 + 0
-9 + -22y = -80

Add '9' to each side of the equation.
-9 + 9 + -22y = -80 + 9

Combine like terms: -9 + 9 = 0
0 + -22y = -80 + 9
-22y = -80 + 9

Combine like terms: -80 + 9 = -71
-22y = -71

Divide each side by '-22'.
y = 3.227272727

Simplifying
y = 3.227272727

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