2y+23=9(y+8)

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Solution for 2y+23=9(y+8) equation:


Simplifying
2y + 23 = 9(y + 8)

Reorder the terms:
23 + 2y = 9(y + 8)

Reorder the terms:
23 + 2y = 9(8 + y)
23 + 2y = (8 * 9 + y * 9)
23 + 2y = (72 + 9y)

Solving
23 + 2y = 72 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
23 + 2y + -9y = 72 + 9y + -9y

Combine like terms: 2y + -9y = -7y
23 + -7y = 72 + 9y + -9y

Combine like terms: 9y + -9y = 0
23 + -7y = 72 + 0
23 + -7y = 72

Add '-23' to each side of the equation.
23 + -23 + -7y = 72 + -23

Combine like terms: 23 + -23 = 0
0 + -7y = 72 + -23
-7y = 72 + -23

Combine like terms: 72 + -23 = 49
-7y = 49

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

Simplifying
y = -7

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