0.20y-3.5=0.10y+1-0.8y

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Solution for 0.20y-3.5=0.10y+1-0.8y equation: 


Simplifying
0.20y + -3.5 = 0.10y + 1 + -0.8y

Reorder the terms:
-3.5 + 0.20y = 0.10y + 1 + -0.8y

Reorder the terms:
-3.5 + 0.20y = 1 + 0.10y + -0.8y

Combine like terms: 0.10y + -0.8y = -0.7y
-3.5 + 0.20y = 1 + -0.7y

Solving
-3.5 + 0.20y = 1 + -0.7y

Solving for variable 'y'.

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

Add '0.7y' to each side of the equation.
-3.5 + 0.20y + 0.7y = 1 + -0.7y + 0.7y

Combine like terms: 0.20y + 0.7y = 0.9y
-3.5 + 0.9y = 1 + -0.7y + 0.7y

Combine like terms: -0.7y + 0.7y = 0.0
-3.5 + 0.9y = 1 + 0.0
-3.5 + 0.9y = 1

Add '3.5' to each side of the equation.
-3.5 + 3.5 + 0.9y = 1 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + 0.9y = 1 + 3.5
0.9y = 1 + 3.5

Combine like terms: 1 + 3.5 = 4.5
0.9y = 4.5

Divide each side by '0.9'.
y = 5

Simplifying
y = 5

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