-1=-7-5y

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Solution for -1=-7-5y equation: 


Simplifying
-1 = -7 + -5y

Solving
-1 = -7 + -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.
-1 + 5y = -7 + -5y + 5y

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

Add '1' to each side of the equation.
-1 + 1 + 5y = -7 + 1

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

Combine like terms: -7 + 1 = -6
5y = -6

Divide each side by '5'.
y = -1.2

Simplifying
y = -1.2

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