2y-5=21

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Solution for 2y-5=21 equation: 


Simplifying
2y + -5 = 21

Reorder the terms:
-5 + 2y = 21

Solving
-5 + 2y = 21

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 2y = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 2y = 21 + 5
2y = 21 + 5

Combine like terms: 21 + 5 = 26
2y = 26

Divide each side by '2'.
y = 13

Simplifying
y = 13

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