1.9=3y+12.1

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Solution for 1.9=3y+12.1 equation:


Simplifying
1.9 = 3y + 12.1

Reorder the terms:
1.9 = 12.1 + 3y

Solving
1.9 = 12.1 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
1.9 + -3y = 12.1 + 3y + -3y

Combine like terms: 3y + -3y = 0
1.9 + -3y = 12.1 + 0
1.9 + -3y = 12.1

Add '-1.9' to each side of the equation.
1.9 + -1.9 + -3y = 12.1 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + -3y = 12.1 + -1.9
-3y = 12.1 + -1.9

Combine like terms: 12.1 + -1.9 = 10.2
-3y = 10.2

Divide each side by '-3'.
y = -3.4

Simplifying
y = -3.4

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