(y-0)-(y+7)=8y

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Solution for (y-0)-(y+7)=8y equation:


Simplifying
(y + 0) + -1(y + 7) = 8y

Reorder the terms:
(0 + y) + -1(y + 7) = 8y
Remove the zero:
(y) + -1(y + 7) = 8y
y + -1(y + 7) = 8y

Reorder the terms:
y + -1(7 + y) = 8y
y + (7 * -1 + y * -1) = 8y
y + (-7 + -1y) = 8y

Reorder the terms:
-7 + y + -1y = 8y

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

Solving
-7 = 8y

Solving for variable 'y'.

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

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

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

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

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

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

Divide each side by '-8'.
y = -0.875

Simplifying
y = -0.875

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