Mathematics, 05.05.2020 01:05 abbyhammondd
PLEASE HELP
Which is the best first step when solving the following system of equations?
y=7x+3
y=9x
A. Multiply the first equation by –7.
B. Substitute 9x for y in the first equation.
C. Multiply the second equation by Negative 3.
D. Substitute 7x for y in the second equation.
Answers: 2
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PLEASE HELP
Which is the best first step when solving the following system of equations?
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Which is the best first step when solving the following system of equations?
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