-7x-8y=1

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Solution for -7x-8y=1 equation: 


Simplifying
-7x + -8y = 1

Solving
-7x + -8y = 1

Solving for variable 'x'.

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

Add '8y' to each side of the equation.
-7x + -8y + 8y = 1 + 8y

Combine like terms: -8y + 8y = 0
-7x + 0 = 1 + 8y
-7x = 1 + 8y

Divide each side by '-7'.
x = -0.1428571429 + -1.142857143y

Simplifying
x = -0.1428571429 + -1.142857143y

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