9(y-4)=7(y-5)

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Solution for 9(y-4)=7(y-5) equation:


Simplifying
9(y + -4) = 7(y + -5)

Reorder the terms:
9(-4 + y) = 7(y + -5)
(-4 * 9 + y * 9) = 7(y + -5)
(-36 + 9y) = 7(y + -5)

Reorder the terms:
-36 + 9y = 7(-5 + y)
-36 + 9y = (-5 * 7 + y * 7)
-36 + 9y = (-35 + 7y)

Solving
-36 + 9y = -35 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-36 + 9y + -7y = -35 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-36 + 2y = -35 + 7y + -7y

Combine like terms: 7y + -7y = 0
-36 + 2y = -35 + 0
-36 + 2y = -35

Add '36' to each side of the equation.
-36 + 36 + 2y = -35 + 36

Combine like terms: -36 + 36 = 0
0 + 2y = -35 + 36
2y = -35 + 36

Combine like terms: -35 + 36 = 1
2y = 1

Divide each side by '2'.
y = 0.5

Simplifying
y = 0.5

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