0.5+2=0.8-0.3y

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Solution for 0.5+2=0.8-0.3y equation: 


Simplifying
0.5 + 2 = 0.8 + -0.3y

Combine like terms: 0.5 + 2 = 2.5
2.5 = 0.8 + -0.3y

Solving
2.5 = 0.8 + -0.3y

Solving for variable 'y'.

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

Add '0.3y' to each side of the equation.
2.5 + 0.3y = 0.8 + -0.3y + 0.3y

Combine like terms: -0.3y + 0.3y = 0.0
2.5 + 0.3y = 0.8 + 0.0
2.5 + 0.3y = 0.8

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 0.3y = 0.8 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.3y = 0.8 + -2.5
0.3y = 0.8 + -2.5

Combine like terms: 0.8 + -2.5 = -1.7
0.3y = -1.7

Divide each side by '0.3'.
y = -5.666666667

Simplifying
y = -5.666666667

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