9y-8(y-1)+1=9

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Solution for 9y-8(y-1)+1=9 equation:


Simplifying
9y + -8(y + -1) + 1 = 9

Reorder the terms:
9y + -8(-1 + y) + 1 = 9
9y + (-1 * -8 + y * -8) + 1 = 9
9y + (8 + -8y) + 1 = 9

Reorder the terms:
8 + 1 + 9y + -8y = 9

Combine like terms: 8 + 1 = 9
9 + 9y + -8y = 9

Combine like terms: 9y + -8y = 1y
9 + 1y = 9

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

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

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

Solving
1y = 0

Solving for variable 'y'.

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

Divide each side by '1'.
y = 0

Simplifying
y = 0

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