1=-2A-5B-9C

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Solution for 1=-2A-5B-9C equation: 


Simplifying
1 = -2A + -5B + -9C

Solving
1 = -2A + -5B + -9C

Solving for variable 'A'.

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

Add '2A' to each side of the equation.
1 + 2A = -2A + -5B + 2A + -9C

Reorder the terms:
1 + 2A = -2A + 2A + -5B + -9C

Combine like terms: -2A + 2A = 0
1 + 2A = 0 + -5B + -9C
1 + 2A = -5B + -9C

Add '-1' to each side of the equation.
1 + -1 + 2A = -5B + -1 + -9C

Combine like terms: 1 + -1 = 0
0 + 2A = -5B + -1 + -9C
2A = -5B + -1 + -9C

Reorder the terms:
2A = -1 + -5B + -9C

Divide each side by '2'.
A = -0.5 + -2.5B + -4.5C

Simplifying
A = -0.5 + -2.5B + -4.5C

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