9-(4y-9)=8-5y

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Solution for 9-(4y-9)=8-5y equation: 


Simplifying
9 + -1(4y + -9) = 8 + -5y

Reorder the terms:
9 + -1(-9 + 4y) = 8 + -5y
9 + (-9 * -1 + 4y * -1) = 8 + -5y
9 + (9 + -4y) = 8 + -5y

Combine like terms: 9 + 9 = 18
18 + -4y = 8 + -5y

Solving
18 + -4y = 8 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
18 + -4y + 5y = 8 + -5y + 5y

Combine like terms: -4y + 5y = 1y
18 + 1y = 8 + -5y + 5y

Combine like terms: -5y + 5y = 0
18 + 1y = 8 + 0
18 + 1y = 8

Add '-18' to each side of the equation.
18 + -18 + 1y = 8 + -18

Combine like terms: 18 + -18 = 0
0 + 1y = 8 + -18
1y = 8 + -18

Combine like terms: 8 + -18 = -10
1y = -10

Divide each side by '1'.
y = -10

Simplifying
y = -10

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