0.3y+0.9=0.1-0.1y

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Solution for 0.3y+0.9=0.1-0.1y equation: 


Simplifying
0.3y + 0.9 = 0.1 + -0.1y

Reorder the terms:
0.9 + 0.3y = 0.1 + -0.1y

Solving
0.9 + 0.3y = 0.1 + -0.1y

Solving for variable 'y'.

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

Add '0.1y' to each side of the equation.
0.9 + 0.3y + 0.1y = 0.1 + -0.1y + 0.1y

Combine like terms: 0.3y + 0.1y = 0.4y
0.9 + 0.4y = 0.1 + -0.1y + 0.1y

Combine like terms: -0.1y + 0.1y = 0.0
0.9 + 0.4y = 0.1 + 0.0
0.9 + 0.4y = 0.1

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 0.4y = 0.1 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 0.4y = 0.1 + -0.9
0.4y = 0.1 + -0.9

Combine like terms: 0.1 + -0.9 = -0.8
0.4y = -0.8

Divide each side by '0.4'.
y = -2

Simplifying
y = -2

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