.20y-.7=.10y+2-.8y

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Solution for .20y-.7=.10y+2-.8y equation:


Simplifying
0.20y + -0.7 = 0.10y + 2 + -0.8y

Reorder the terms:
-0.7 + 0.20y = 0.10y + 2 + -0.8y

Reorder the terms:
-0.7 + 0.20y = 2 + 0.10y + -0.8y

Combine like terms: 0.10y + -0.8y = -0.7y
-0.7 + 0.20y = 2 + -0.7y

Solving
-0.7 + 0.20y = 2 + -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.
-0.7 + 0.20y + 0.7y = 2 + -0.7y + 0.7y

Combine like terms: 0.20y + 0.7y = 0.9y
-0.7 + 0.9y = 2 + -0.7y + 0.7y

Combine like terms: -0.7y + 0.7y = 0.0
-0.7 + 0.9y = 2 + 0.0
-0.7 + 0.9y = 2

Add '0.7' to each side of the equation.
-0.7 + 0.7 + 0.9y = 2 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.9y = 2 + 0.7
0.9y = 2 + 0.7

Combine like terms: 2 + 0.7 = 2.7
0.9y = 2.7

Divide each side by '0.9'.
y = 3

Simplifying
y = 3

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