2a+4b+7c+9b+3a=

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Solution for 2a+4b+7c+9b+3a= equation:


Simplifying
2a + 4b + 7c + 9b + 3a = 0

Reorder the terms:
2a + 3a + 4b + 9b + 7c = 0

Combine like terms: 2a + 3a = 5a
5a + 4b + 9b + 7c = 0

Combine like terms: 4b + 9b = 13b
5a + 13b + 7c = 0

Solving
5a + 13b + 7c = 0

Solving for variable 'a'.

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

Add '-13b' to each side of the equation.
5a + 13b + -13b + 7c = 0 + -13b

Combine like terms: 13b + -13b = 0
5a + 0 + 7c = 0 + -13b
5a + 7c = 0 + -13b
Remove the zero:
5a + 7c = -13b

Add '-7c' to each side of the equation.
5a + 7c + -7c = -13b + -7c

Combine like terms: 7c + -7c = 0
5a + 0 = -13b + -7c
5a = -13b + -7c

Divide each side by '5'.
a = -2.6b + -1.4c

Simplifying
a = -2.6b + -1.4c

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