.9+y=2.1

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Solution for .9+y=2.1 equation: 


Simplifying
0.9 + y = 2.1

Solving
0.9 + y = 2.1

Solving for variable 'y'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + y = 2.1 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + y = 2.1 + -0.9
y = 2.1 + -0.9

Combine like terms: 2.1 + -0.9 = 1.2
y = 1.2

Simplifying
y = 1.2

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