-7a-8b=-9

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Solution for -7a-8b=-9 equation: 


Simplifying
-7a + -8b = -9

Solving
-7a + -8b = -9

Solving for variable 'a'.

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

Add '8b' to each side of the equation.
-7a + -8b + 8b = -9 + 8b

Combine like terms: -8b + 8b = 0
-7a + 0 = -9 + 8b
-7a = -9 + 8b

Divide each side by '-7'.
a = 1.285714286 + -1.142857143b

Simplifying
a = 1.285714286 + -1.142857143b

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