8y+20=15y-40

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Solution for 8y+20=15y-40 equation: 


Simplifying
8y + 20 = 15y + -40

Reorder the terms:
20 + 8y = 15y + -40

Reorder the terms:
20 + 8y = -40 + 15y

Solving
20 + 8y = -40 + 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.
20 + 8y + -15y = -40 + 15y + -15y

Combine like terms: 8y + -15y = -7y
20 + -7y = -40 + 15y + -15y

Combine like terms: 15y + -15y = 0
20 + -7y = -40 + 0
20 + -7y = -40

Add '-20' to each side of the equation.
20 + -20 + -7y = -40 + -20

Combine like terms: 20 + -20 = 0
0 + -7y = -40 + -20
-7y = -40 + -20

Combine like terms: -40 + -20 = -60
-7y = -60

Divide each side by '-7'.
y = 8.571428571

Simplifying
y = 8.571428571

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