86=21y+2

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Solution for 86=21y+2 equation:


Simplifying
86 = 21y + 2

Reorder the terms:
86 = 2 + 21y

Solving
86 = 2 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
86 + -21y = 2 + 21y + -21y

Combine like terms: 21y + -21y = 0
86 + -21y = 2 + 0
86 + -21y = 2

Add '-86' to each side of the equation.
86 + -86 + -21y = 2 + -86

Combine like terms: 86 + -86 = 0
0 + -21y = 2 + -86
-21y = 2 + -86

Combine like terms: 2 + -86 = -84
-21y = -84

Divide each side by '-21'.
y = 4

Simplifying
y = 4

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