7(9-y)=5(3y-5)

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Solution for 7(9-y)=5(3y-5) equation:


Simplifying
7(9 + -1y) = 5(3y + -5)
(9 * 7 + -1y * 7) = 5(3y + -5)
(63 + -7y) = 5(3y + -5)

Reorder the terms:
63 + -7y = 5(-5 + 3y)
63 + -7y = (-5 * 5 + 3y * 5)
63 + -7y = (-25 + 15y)

Solving
63 + -7y = -25 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
63 + -7y + -15y = -25 + 15y + -15y

Combine like terms: -7y + -15y = -22y
63 + -22y = -25 + 15y + -15y

Combine like terms: 15y + -15y = 0
63 + -22y = -25 + 0
63 + -22y = -25

Add '-63' to each side of the equation.
63 + -63 + -22y = -25 + -63

Combine like terms: 63 + -63 = 0
0 + -22y = -25 + -63
-22y = -25 + -63

Combine like terms: -25 + -63 = -88
-22y = -88

Divide each side by '-22'.
y = 4

Simplifying
y = 4

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