.8=.2y+3.4

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Solution for .8=.2y+3.4 equation: 


Simplifying
0.8 = 0.2y + 3.4

Reorder the terms:
0.8 = 3.4 + 0.2y

Solving
0.8 = 3.4 + 0.2y

Solving for variable 'y'.

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

Add '-0.2y' to each side of the equation.
0.8 + -0.2y = 3.4 + 0.2y + -0.2y

Combine like terms: 0.2y + -0.2y = 0.0
0.8 + -0.2y = 3.4 + 0.0
0.8 + -0.2y = 3.4

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -0.2y = 3.4 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -0.2y = 3.4 + -0.8
-0.2y = 3.4 + -0.8

Combine like terms: 3.4 + -0.8 = 2.6
-0.2y = 2.6

Divide each side by '-0.2'.
y = -13

Simplifying
y = -13

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