SOLUTION: Which of the following would be the best first step for solving the system of equations by elimination?
• 6.3x + 7.2y = 5.4
• 5.6x + 6.4y = 4.8
a) Multiply both equations by 1
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Question 1106080: Which of the following would be the best first step for solving the system of equations by elimination?
• 6.3x + 7.2y = 5.4
• 5.6x + 6.4y = 4.8
a) Multiply both equations by 10.
b) Multiply both equations by 100.
c) Divide the first equation by 9.
d) Divide the second equation by 8.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Which of the following would be the best first step for solving the system of equations by elimination?
• 6.3x + 7.2y = 5.4
• 5.6x + 6.4y = 4.8
a) Multiply both equations by 10.
b) Multiply both equations by 100.
c) Divide the first equation by 9.
d) Divide the second equation by 8.
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I would multiply by 10 to eliminate fractions, as in a.
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Doing both c & d is good, too.
"best" is not clearly defined math term.
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