-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 = 0.4
-2 = 0.4 + 2.75y

Solving
-2 = 0.4 + 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 = 0.4 + 2.75y + -2.75y

Combine like terms: 2.75y + -2.75y = 0.00
-2 + -2.75y = 0.4 + 0.00
-2 + -2.75y = 0.4

Add '2' to each side of the equation.
-2 + 2 + -2.75y = 0.4 + 2

Combine like terms: -2 + 2 = 0
0 + -2.75y = 0.4 + 2
-2.75y = 0.4 + 2

Combine like terms: 0.4 + 2 = 2.4
-2.75y = 2.4

Divide each side by '-2.75'.
y = -0.8727272727

Simplifying
y = -0.8727272727

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