(y-2)-(y+6)=7y

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Solution for (y-2)-(y+6)=7y equation:


Simplifying
(y + -2) + -1(y + 6) = 7y

Reorder the terms:
(-2 + y) + -1(y + 6) = 7y

Remove parenthesis around (-2 + y)
-2 + y + -1(y + 6) = 7y

Reorder the terms:
-2 + y + -1(6 + y) = 7y
-2 + y + (6 * -1 + y * -1) = 7y
-2 + y + (-6 + -1y) = 7y

Reorder the terms:
-2 + -6 + y + -1y = 7y

Combine like terms: -2 + -6 = -8
-8 + y + -1y = 7y

Combine like terms: y + -1y = 0
-8 + 0 = 7y
-8 = 7y

Solving
-8 = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-8 + -7y = 7y + -7y

Combine like terms: 7y + -7y = 0
-8 + -7y = 0

Add '8' to each side of the equation.
-8 + 8 + -7y = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -7y = 0 + 8
-7y = 0 + 8

Combine like terms: 0 + 8 = 8
-7y = 8

Divide each side by '-7'.
y = -1.142857143

Simplifying
y = -1.142857143

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