y^2-7y=y(y+5)+4

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Solution for y^2-7y=y(y+5)+4 equation:


Simplifying
y2 + -7y = y(y + 5) + 4

Reorder the terms:
-7y + y2 = y(y + 5) + 4

Reorder the terms:
-7y + y2 = y(5 + y) + 4
-7y + y2 = (5 * y + y * y) + 4
-7y + y2 = (5y + y2) + 4

Reorder the terms:
-7y + y2 = 4 + 5y + y2

Add '-1y2' to each side of the equation.
-7y + y2 + -1y2 = 4 + 5y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-7y + 0 = 4 + 5y + y2 + -1y2
-7y = 4 + 5y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-7y = 4 + 5y + 0
-7y = 4 + 5y

Solving
-7y = 4 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-7y + -5y = 4 + 5y + -5y

Combine like terms: -7y + -5y = -12y
-12y = 4 + 5y + -5y

Combine like terms: 5y + -5y = 0
-12y = 4 + 0
-12y = 4

Divide each side by '-12'.
y = -0.3333333333

Simplifying
y = -0.3333333333

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