2.85-7=12.8y-2

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Solution for 2.85-7=12.8y-2 equation: 


Simplifying
2.85 + -7 = 12.8y + -2

Combine like terms: 2.85 + -7 = -4.15
-4.15 = 12.8y + -2

Reorder the terms:
-4.15 = -2 + 12.8y

Solving
-4.15 = -2 + 12.8y

Solving for variable 'y'.

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

Add '-12.8y' to each side of the equation.
-4.15 + -12.8y = -2 + 12.8y + -12.8y

Combine like terms: 12.8y + -12.8y = 0.0
-4.15 + -12.8y = -2 + 0.0
-4.15 + -12.8y = -2

Add '4.15' to each side of the equation.
-4.15 + 4.15 + -12.8y = -2 + 4.15

Combine like terms: -4.15 + 4.15 = 0.00
0.00 + -12.8y = -2 + 4.15
-12.8y = -2 + 4.15

Combine like terms: -2 + 4.15 = 2.15
-12.8y = 2.15

Divide each side by '-12.8'.
y = -0.16796875

Simplifying
y = -0.16796875

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