4(y+1)+5=(y-1)+y

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Solution for 4(y+1)+5=(y-1)+y equation:


Simplifying
4(y + 1) + 5 = (y + -1) + y

Reorder the terms:
4(1 + y) + 5 = (y + -1) + y
(1 * 4 + y * 4) + 5 = (y + -1) + y
(4 + 4y) + 5 = (y + -1) + y

Reorder the terms:
4 + 5 + 4y = (y + -1) + y

Combine like terms: 4 + 5 = 9
9 + 4y = (y + -1) + y

Reorder the terms:
9 + 4y = (-1 + y) + y

Remove parenthesis around (-1 + y)
9 + 4y = -1 + y + y

Combine like terms: y + y = 2y
9 + 4y = -1 + 2y

Solving
9 + 4y = -1 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
9 + 4y + -2y = -1 + 2y + -2y

Combine like terms: 4y + -2y = 2y
9 + 2y = -1 + 2y + -2y

Combine like terms: 2y + -2y = 0
9 + 2y = -1 + 0
9 + 2y = -1

Add '-9' to each side of the equation.
9 + -9 + 2y = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 2y = -1 + -9
2y = -1 + -9

Combine like terms: -1 + -9 = -10
2y = -10

Divide each side by '2'.
y = -5

Simplifying
y = -5

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