3a+9b+7c=5

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Solution for 3a+9b+7c=5 equation:


Simplifying
3a + 9b + 7c = 5

Solving
3a + 9b + 7c = 5

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
3a + 9b + -9b + 7c = 5 + -9b

Combine like terms: 9b + -9b = 0
3a + 0 + 7c = 5 + -9b
3a + 7c = 5 + -9b

Add '-7c' to each side of the equation.
3a + 7c + -7c = 5 + -9b + -7c

Combine like terms: 7c + -7c = 0
3a + 0 = 5 + -9b + -7c
3a = 5 + -9b + -7c

Divide each side by '3'.
a = 1.666666667 + -3b + -2.333333333c

Simplifying
a = 1.666666667 + -3b + -2.333333333c

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