Question 100335
C=2B
A+B+2B=6 OR A+3B=6
3A-B+2B=8 OR 3A+B=8 NOW MULTIPLY THIS EQUATION BY -3 & ADD THE LAST 2 EQUATIONS.
THIS STEP IS NECESSARY TO ELIMINATE THE B TERM SO WE CAN SOLVE FOR THE A TERM.
A+3B=6
-9A-3B=-24
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-8A=-18
A=-18/-8
A=2.25 ANSWER.
2.25+3B=6
3B=6-2.25
3B=3.75
B=3.75/3
B=1.25 ANSWER.
C=2*1.25
C=2.5 ANSWER.