-6.9x-7.8y=71.76

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Solution for -6.9x-7.8y=71.76 equation: 


Simplifying
-6.9x + -7.8y = 71.76

Solving
-6.9x + -7.8y = 71.76

Solving for variable 'x'.

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

Add '7.8y' to each side of the equation.
-6.9x + -7.8y + 7.8y = 71.76 + 7.8y

Combine like terms: -7.8y + 7.8y = 0.0
-6.9x + 0.0 = 71.76 + 7.8y
-6.9x = 71.76 + 7.8y

Divide each side by '-6.9'.
x = -10.4 + -1.130434783y

Simplifying
x = -10.4 + -1.130434783y

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