(y-8)-(y+3)=7y

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Solution for (y-8)-(y+3)=7y equation:


Simplifying
(y + -8) + -1(y + 3) = 7y

Reorder the terms:
(-8 + y) + -1(y + 3) = 7y

Remove parenthesis around (-8 + y)
-8 + y + -1(y + 3) = 7y

Reorder the terms:
-8 + y + -1(3 + y) = 7y
-8 + y + (3 * -1 + y * -1) = 7y
-8 + y + (-3 + -1y) = 7y

Reorder the terms:
-8 + -3 + y + -1y = 7y

Combine like terms: -8 + -3 = -11
-11 + y + -1y = 7y

Combine like terms: y + -1y = 0
-11 + 0 = 7y
-11 = 7y

Solving
-11 = 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.
-11 + -7y = 7y + -7y

Combine like terms: 7y + -7y = 0
-11 + -7y = 0

Add '11' to each side of the equation.
-11 + 11 + -7y = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -7y = 0 + 11
-7y = 0 + 11

Combine like terms: 0 + 11 = 11
-7y = 11

Divide each side by '-7'.
y = -1.571428571

Simplifying
y = -1.571428571

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