3a-b+9=c

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Solution for 3a-b+9=c equation:


Simplifying
3a + -1b + 9 = c

Reorder the terms:
9 + 3a + -1b = c

Solving
9 + 3a + -1b = c

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + 3a + -9 + -1b = -9 + c

Reorder the terms:
9 + -9 + 3a + -1b = -9 + c

Combine like terms: 9 + -9 = 0
0 + 3a + -1b = -9 + c
3a + -1b = -9 + c

Add 'b' to each side of the equation.
3a + -1b + b = -9 + b + c

Combine like terms: -1b + b = 0
3a + 0 = -9 + b + c
3a = -9 + b + c

Divide each side by '3'.
a = -3 + 0.3333333333b + 0.3333333333c

Simplifying
a = -3 + 0.3333333333b + 0.3333333333c

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