y+8(y+9)=45

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Solution for y+8(y+9)=45 equation:


Simplifying
y + 8(y + 9) = 45

Reorder the terms:
y + 8(9 + y) = 45
y + (9 * 8 + y * 8) = 45
y + (72 + 8y) = 45

Reorder the terms:
72 + y + 8y = 45

Combine like terms: y + 8y = 9y
72 + 9y = 45

Solving
72 + 9y = 45

Solving for variable 'y'.

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

Add '-72' to each side of the equation.
72 + -72 + 9y = 45 + -72

Combine like terms: 72 + -72 = 0
0 + 9y = 45 + -72
9y = 45 + -72

Combine like terms: 45 + -72 = -27
9y = -27

Divide each side by '9'.
y = -3

Simplifying
y = -3

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