7(y+1)=y-9+5(2y+2)

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Solution for 7(y+1)=y-9+5(2y+2) equation:


Simplifying
7(y + 1) = y + -9 + 5(2y + 2)

Reorder the terms:
7(1 + y) = y + -9 + 5(2y + 2)
(1 * 7 + y * 7) = y + -9 + 5(2y + 2)
(7 + 7y) = y + -9 + 5(2y + 2)

Reorder the terms:
7 + 7y = y + -9 + 5(2 + 2y)
7 + 7y = y + -9 + (2 * 5 + 2y * 5)
7 + 7y = y + -9 + (10 + 10y)

Reorder the terms:
7 + 7y = -9 + 10 + y + 10y

Combine like terms: -9 + 10 = 1
7 + 7y = 1 + y + 10y

Combine like terms: y + 10y = 11y
7 + 7y = 1 + 11y

Solving
7 + 7y = 1 + 11y

Solving for variable 'y'.

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

Add '-11y' to each side of the equation.
7 + 7y + -11y = 1 + 11y + -11y

Combine like terms: 7y + -11y = -4y
7 + -4y = 1 + 11y + -11y

Combine like terms: 11y + -11y = 0
7 + -4y = 1 + 0
7 + -4y = 1

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

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

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

Divide each side by '-4'.
y = 1.5

Simplifying
y = 1.5

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