8(y+9)+y=2(y+5)-5

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Solution for 8(y+9)+y=2(y+5)-5 equation:


Simplifying
8(y + 9) + y = 2(y + 5) + -5

Reorder the terms:
8(9 + y) + y = 2(y + 5) + -5
(9 * 8 + y * 8) + y = 2(y + 5) + -5
(72 + 8y) + y = 2(y + 5) + -5

Combine like terms: 8y + y = 9y
72 + 9y = 2(y + 5) + -5

Reorder the terms:
72 + 9y = 2(5 + y) + -5
72 + 9y = (5 * 2 + y * 2) + -5
72 + 9y = (10 + 2y) + -5

Reorder the terms:
72 + 9y = 10 + -5 + 2y

Combine like terms: 10 + -5 = 5
72 + 9y = 5 + 2y

Solving
72 + 9y = 5 + 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.
72 + 9y + -2y = 5 + 2y + -2y

Combine like terms: 9y + -2y = 7y
72 + 7y = 5 + 2y + -2y

Combine like terms: 2y + -2y = 0
72 + 7y = 5 + 0
72 + 7y = 5

Add '-72' to each side of the equation.
72 + -72 + 7y = 5 + -72

Combine like terms: 72 + -72 = 0
0 + 7y = 5 + -72
7y = 5 + -72

Combine like terms: 5 + -72 = -67
7y = -67

Divide each side by '7'.
y = -9.571428571

Simplifying
y = -9.571428571

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