y-3=20

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Solution for y-3=20 equation: 


Simplifying
y + -3 = 20

Reorder the terms:
-3 + y = 20

Solving
-3 + y = 20

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + y = 20 + 3

Combine like terms: -3 + 3 = 0
0 + y = 20 + 3
y = 20 + 3

Combine like terms: 20 + 3 = 23
y = 23

Simplifying
y = 23

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