4.9+y=3.9

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Solution for 4.9+y=3.9 equation: 


Simplifying
4.9 + y = 3.9

Solving
4.9 + y = 3.9

Solving for variable 'y'.

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

Add '-4.9' to each side of the equation.
4.9 + -4.9 + y = 3.9 + -4.9

Combine like terms: 4.9 + -4.9 = 0.0
0.0 + y = 3.9 + -4.9
y = 3.9 + -4.9

Combine like terms: 3.9 + -4.9 = -1
y = -1

Simplifying
y = -1

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