Y-2.1=5

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Solution for Y-2.1=5 equation: 


Simplifying
Y + -2.1 = 5

Reorder the terms:
-2.1 + Y = 5

Solving
-2.1 + Y = 5

Solving for variable 'Y'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + Y = 5 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + Y = 5 + 2.1
Y = 5 + 2.1

Combine like terms: 5 + 2.1 = 7.1
Y = 7.1

Simplifying
Y = 7.1

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