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

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


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

Reorder the terms:
9(-5 + 5y) + -1(5y + 5) = 0
(-5 * 9 + 5y * 9) + -1(5y + 5) = 0
(-45 + 45y) + -1(5y + 5) = 0

Reorder the terms:
-45 + 45y + -1(5 + 5y) = 0
-45 + 45y + (5 * -1 + 5y * -1) = 0
-45 + 45y + (-5 + -5y) = 0

Reorder the terms:
-45 + -5 + 45y + -5y = 0

Combine like terms: -45 + -5 = -50
-50 + 45y + -5y = 0

Combine like terms: 45y + -5y = 40y
-50 + 40y = 0

Solving
-50 + 40y = 0

Solving for variable 'y'.

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

Add '50' to each side of the equation.
-50 + 50 + 40y = 0 + 50

Combine like terms: -50 + 50 = 0
0 + 40y = 0 + 50
40y = 0 + 50

Combine like terms: 0 + 50 = 50
40y = 50

Divide each side by '40'.
y = 1.25

Simplifying
y = 1.25

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