0.4y-0.3+0.1y=1.2

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Solution for 0.4y-0.3+0.1y=1.2 equation: 


Simplifying
0.4y + -0.3 + 0.1y = 1.2

Reorder the terms:
-0.3 + 0.4y + 0.1y = 1.2

Combine like terms: 0.4y + 0.1y = 0.5y
-0.3 + 0.5y = 1.2

Solving
-0.3 + 0.5y = 1.2

Solving for variable 'y'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + 0.5y = 1.2 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.5y = 1.2 + 0.3
0.5y = 1.2 + 0.3

Combine like terms: 1.2 + 0.3 = 1.5
0.5y = 1.5

Divide each side by '0.5'.
y = 3

Simplifying
y = 3

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