y-1.7=20

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Solution for y-1.7=20 equation: 


Simplifying
y + -1.7 = 20

Reorder the terms:
-1.7 + y = 20

Solving
-1.7 + y = 20

Solving for variable 'y'.

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

Add '1.7' to each side of the equation.
-1.7 + 1.7 + y = 20 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + y = 20 + 1.7
y = 20 + 1.7

Combine like terms: 20 + 1.7 = 21.7
y = 21.7

Simplifying
y = 21.7

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