y-2.1=7

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Solution for y-2.1=7 equation: 


Simplifying
y + -2.1 = 7

Reorder the terms:
-2.1 + y = 7

Solving
-2.1 + y = 7

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 = 7 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + y = 7 + 2.1
y = 7 + 2.1

Combine like terms: 7 + 2.1 = 9.1
y = 9.1

Simplifying
y = 9.1

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