9(y+8)=4y+42

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Solution for 9(y+8)=4y+42 equation:


Simplifying
9(y + 8) = 4y + 42

Reorder the terms:
9(8 + y) = 4y + 42
(8 * 9 + y * 9) = 4y + 42
(72 + 9y) = 4y + 42

Reorder the terms:
72 + 9y = 42 + 4y

Solving
72 + 9y = 42 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
72 + 9y + -4y = 42 + 4y + -4y

Combine like terms: 9y + -4y = 5y
72 + 5y = 42 + 4y + -4y

Combine like terms: 4y + -4y = 0
72 + 5y = 42 + 0
72 + 5y = 42

Add '-72' to each side of the equation.
72 + -72 + 5y = 42 + -72

Combine like terms: 72 + -72 = 0
0 + 5y = 42 + -72
5y = 42 + -72

Combine like terms: 42 + -72 = -30
5y = -30

Divide each side by '5'.
y = -6

Simplifying
y = -6

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