1-6y-7y=40

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Solution for 1-6y-7y=40 equation: 


Simplifying
1 + -6y + -7y = 40

Combine like terms: -6y + -7y = -13y
1 + -13y = 40

Solving
1 + -13y = 40

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -13y = 40 + -1

Combine like terms: 1 + -1 = 0
0 + -13y = 40 + -1
-13y = 40 + -1

Combine like terms: 40 + -1 = 39
-13y = 39

Divide each side by '-13'.
y = -3

Simplifying
y = -3

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