y-20=-17

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Solution for y-20=-17 equation: 


Simplifying
y + -20 = -17

Reorder the terms:
-20 + y = -17

Solving
-20 + y = -17

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + y = -17 + 20

Combine like terms: -20 + 20 = 0
0 + y = -17 + 20
y = -17 + 20

Combine like terms: -17 + 20 = 3
y = 3

Simplifying
y = 3

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