-2y-7=20+5y

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Solution for -2y-7=20+5y equation: 


Simplifying
-2y + -7 = 20 + 5y

Reorder the terms:
-7 + -2y = 20 + 5y

Solving
-7 + -2y = 20 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-7 + -2y + -5y = 20 + 5y + -5y

Combine like terms: -2y + -5y = -7y
-7 + -7y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
-7 + -7y = 20 + 0
-7 + -7y = 20

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

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

Combine like terms: 20 + 7 = 27
-7y = 27

Divide each side by '-7'.
y = -3.857142857

Simplifying
y = -3.857142857

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