2a-7b=9c

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Solution for 2a-7b=9c equation: 


Simplifying
2a + -7b = 9c

Solving
2a + -7b = 9c

Solving for variable 'a'.

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

Add '7b' to each side of the equation.
2a + -7b + 7b = 7b + 9c

Combine like terms: -7b + 7b = 0
2a + 0 = 7b + 9c
2a = 7b + 9c

Divide each side by '2'.
a = 3.5b + 4.5c

Simplifying
a = 3.5b + 4.5c

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