21y-1+83=180

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Solution for 21y-1+83=180 equation:


Simplifying
21y + -1 + 83 = 180

Reorder the terms:
-1 + 83 + 21y = 180

Combine like terms: -1 + 83 = 82
82 + 21y = 180

Solving
82 + 21y = 180

Solving for variable 'y'.

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

Add '-82' to each side of the equation.
82 + -82 + 21y = 180 + -82

Combine like terms: 82 + -82 = 0
0 + 21y = 180 + -82
21y = 180 + -82

Combine like terms: 180 + -82 = 98
21y = 98

Divide each side by '21'.
y = 4.666666667

Simplifying
y = 4.666666667

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