Asked by Claire
Elimination was used to solve a system of equations. One of the intermediate steps led to the equation 9x=27 . Which of the following systems could have led to this equation?
4x+3y=24
−5x−3y=3
7x−2y=15
x+y=6
9x+2y=21
−9x−2y=21
10x−y=15
x+y=−12
4x+3y=24
−5x−3y=3
7x−2y=15
x+y=6
9x+2y=21
−9x−2y=21
10x−y=15
x+y=−12
Answers
Answered by
PsyDAG
7x−2y=15
x+y=6
Multiply second equation by two and then add the equations.
x+y=6
Multiply second equation by two and then add the equations.
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