0.5y-0.4y-2=70-3.5y

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Solution for 0.5y-0.4y-2=70-3.5y equation: 


Simplifying
0.5y + -0.4y + -2 = 70 + -3.5y

Reorder the terms:
-2 + 0.5y + -0.4y = 70 + -3.5y

Combine like terms: 0.5y + -0.4y = 0.1y
-2 + 0.1y = 70 + -3.5y

Solving
-2 + 0.1y = 70 + -3.5y

Solving for variable 'y'.

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

Add '3.5y' to each side of the equation.
-2 + 0.1y + 3.5y = 70 + -3.5y + 3.5y

Combine like terms: 0.1y + 3.5y = 3.6y
-2 + 3.6y = 70 + -3.5y + 3.5y

Combine like terms: -3.5y + 3.5y = 0.0
-2 + 3.6y = 70 + 0.0
-2 + 3.6y = 70

Add '2' to each side of the equation.
-2 + 2 + 3.6y = 70 + 2

Combine like terms: -2 + 2 = 0
0 + 3.6y = 70 + 2
3.6y = 70 + 2

Combine like terms: 70 + 2 = 72
3.6y = 72

Divide each side by '3.6'.
y = 20

Simplifying
y = 20

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