5(y-4)=20(y+5)

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Solution for 5(y-4)=20(y+5) equation:


Simplifying
5(y + -4) = 20(y + 5)

Reorder the terms:
5(-4 + y) = 20(y + 5)
(-4 * 5 + y * 5) = 20(y + 5)
(-20 + 5y) = 20(y + 5)

Reorder the terms:
-20 + 5y = 20(5 + y)
-20 + 5y = (5 * 20 + y * 20)
-20 + 5y = (100 + 20y)

Solving
-20 + 5y = 100 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
-20 + 5y + -20y = 100 + 20y + -20y

Combine like terms: 5y + -20y = -15y
-20 + -15y = 100 + 20y + -20y

Combine like terms: 20y + -20y = 0
-20 + -15y = 100 + 0
-20 + -15y = 100

Add '20' to each side of the equation.
-20 + 20 + -15y = 100 + 20

Combine like terms: -20 + 20 = 0
0 + -15y = 100 + 20
-15y = 100 + 20

Combine like terms: 100 + 20 = 120
-15y = 120

Divide each side by '-15'.
y = -8

Simplifying
y = -8

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