y-18=3

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Solution for y-18=3 equation: 


Simplifying
y + -18 = 3

Reorder the terms:
-18 + y = 3

Solving
-18 + y = 3

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + y = 3 + 18

Combine like terms: -18 + 18 = 0
0 + y = 3 + 18
y = 3 + 18

Combine like terms: 3 + 18 = 21
y = 21

Simplifying
y = 21

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