7y+y-4y-7=5y

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Solution for 7y+y-4y-7=5y equation: 


Simplifying
7y + y + -4y + -7 = 5y

Reorder the terms:
-7 + 7y + y + -4y = 5y

Combine like terms: 7y + y = 8y
-7 + 8y + -4y = 5y

Combine like terms: 8y + -4y = 4y
-7 + 4y = 5y

Solving
-7 + 4y = 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 + 4y + -5y = 5y + -5y

Combine like terms: 4y + -5y = -1y
-7 + -1y = 5y + -5y

Combine like terms: 5y + -5y = 0
-7 + -1y = 0

Add '7' to each side of the equation.
-7 + 7 + -1y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1y = 0 + 7
-1y = 0 + 7

Combine like terms: 0 + 7 = 7
-1y = 7

Divide each side by '-1'.
y = -7

Simplifying
y = -7

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