(y-4)-(y+2)=7y

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Solution for (y-4)-(y+2)=7y equation:


Simplifying
(y + -4) + -1(y + 2) = 7y

Reorder the terms:
(-4 + y) + -1(y + 2) = 7y

Remove parenthesis around (-4 + y)
-4 + y + -1(y + 2) = 7y

Reorder the terms:
-4 + y + -1(2 + y) = 7y
-4 + y + (2 * -1 + y * -1) = 7y
-4 + y + (-2 + -1y) = 7y

Reorder the terms:
-4 + -2 + y + -1y = 7y

Combine like terms: -4 + -2 = -6
-6 + y + -1y = 7y

Combine like terms: y + -1y = 0
-6 + 0 = 7y
-6 = 7y

Solving
-6 = 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.
-6 + -7y = 7y + -7y

Combine like terms: 7y + -7y = 0
-6 + -7y = 0

Add '6' to each side of the equation.
-6 + 6 + -7y = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -7y = 0 + 6
-7y = 0 + 6

Combine like terms: 0 + 6 = 6
-7y = 6

Divide each side by '-7'.
y = -0.8571428571

Simplifying
y = -0.8571428571

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