Solve for A, B, C
A=-250
B=1350
C=350
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A=-B+1100
Solve A+B=1100 for A.
C-B+1100=100
Substitute -B+1100 for A in the equation C+A=100.
B=-C+1700 C=B-1000
Solve the second equation for B and the third equation for C.
C=-C+1700-1000
Substitute -C+1700 for B in the equation C=B-1000.
C=350
Solve C=-C+1700-1000 for C.
B=-350+1700
Substitute 350 for C in the equation B=-C+1700.
B=1350
Calculate B from B=-350+1700.
A=-1350+1100
Substitute 1350 for B in the equation A=-B+1100.
A=-250
Calculate A from A=-1350+1100.
A=-250 B=1350 C=350
The system is now solved.
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