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

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


Simplifying
(9y + -5) + -1(5y + 8) = 0

Reorder the terms:
(-5 + 9y) + -1(5y + 8) = 0

Remove parenthesis around (-5 + 9y)
-5 + 9y + -1(5y + 8) = 0

Reorder the terms:
-5 + 9y + -1(8 + 5y) = 0
-5 + 9y + (8 * -1 + 5y * -1) = 0
-5 + 9y + (-8 + -5y) = 0

Reorder the terms:
-5 + -8 + 9y + -5y = 0

Combine like terms: -5 + -8 = -13
-13 + 9y + -5y = 0

Combine like terms: 9y + -5y = 4y
-13 + 4y = 0

Solving
-13 + 4y = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 4y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 4y = 0 + 13
4y = 0 + 13

Combine like terms: 0 + 13 = 13
4y = 13

Divide each side by '4'.
y = 3.25

Simplifying
y = 3.25

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