7a-3b=9

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Solution for 7a-3b=9 equation: 


Simplifying
7a + -3b = 9

Solving
7a + -3b = 9

Solving for variable 'a'.

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

Add '3b' to each side of the equation.
7a + -3b + 3b = 9 + 3b

Combine like terms: -3b + 3b = 0
7a + 0 = 9 + 3b
7a = 9 + 3b

Divide each side by '7'.
a = 1.285714286 + 0.4285714286b

Simplifying
a = 1.285714286 + 0.4285714286b

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