-2=3.15-2.75(y-1)

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Solution for -2=3.15-2.75(y-1) equation: 


Simplifying
-2 = 3.15 + -2.75(y + -1)

Reorder the terms:
-2 = 3.15 + -2.75(-1 + y)
-2 = 3.15 + (-1 * -2.75 + y * -2.75)
-2 = 3.15 + (2.75 + -2.75y)

Combine like terms: 3.15 + 2.75 = 5.9
-2 = 5.9 + -2.75y

Solving
-2 = 5.9 + -2.75y

Solving for variable 'y'.

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

Add '2.75y' to each side of the equation.
-2 + 2.75y = 5.9 + -2.75y + 2.75y

Combine like terms: -2.75y + 2.75y = 0.00
-2 + 2.75y = 5.9 + 0.00
-2 + 2.75y = 5.9

Add '2' to each side of the equation.
-2 + 2 + 2.75y = 5.9 + 2

Combine like terms: -2 + 2 = 0
0 + 2.75y = 5.9 + 2
2.75y = 5.9 + 2

Combine like terms: 5.9 + 2 = 7.9
2.75y = 7.9

Divide each side by '2.75'.
y = 2.872727273

Simplifying
y = 2.872727273

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