27=y+20

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Solution for 27=y+20 equation:


Simplifying
27 = y + 20

Reorder the terms:
27 = 20 + y

Solving
27 = 20 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
27 + -1y = 20 + y + -1y

Combine like terms: y + -1y = 0
27 + -1y = 20 + 0
27 + -1y = 20

Add '-27' to each side of the equation.
27 + -27 + -1y = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -1y = 20 + -27
-1y = 20 + -27

Combine like terms: 20 + -27 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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