-1.9=3+y

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Solution for -1.9=3+y equation:


Simplifying
-1.9 = 3 + y

Solving
-1.9 = 3 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-1.9 + -1y = 3 + y + -1y

Combine like terms: y + -1y = 0
-1.9 + -1y = 3 + 0
-1.9 + -1y = 3

Add '1.9' to each side of the equation.
-1.9 + 1.9 + -1y = 3 + 1.9

Combine like terms: -1.9 + 1.9 = 0.0
0.0 + -1y = 3 + 1.9
-1y = 3 + 1.9

Combine like terms: 3 + 1.9 = 4.9
-1y = 4.9

Divide each side by '-1'.
y = -4.9

Simplifying
y = -4.9

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