=9a+7b

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Solution for =9a+7b equation: 


Simplifying
0 = 9a + 7b

Solving
0 = 9a + 7b

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
0 + -9a = 9a + -9a + 7b
Remove the zero:
-9a = 9a + -9a + 7b

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

Divide each side by '-9'.
a = -0.7777777778b

Simplifying
a = -0.7777777778b

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