What is the elimination of 2a+3b=12 and 5a-b=13
2 answers:
2a plus 3b =12
5a minus 1b =13 multiply this by -3 to match 3b in equation 1
2a plus 3b =12
-15 plus 3b =-36
plus 15 plus 15
3b= -21
divide by 3 on both sides
b= -7
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Answer:
Step-by-step explanation:
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