Mathematics
Mathematics, 14.01.2020 23:31, hfkdnd

Which is the best first step when solving the following system of equations?
x+y=3
4x-y=7
a multiply the first equation by 4.
b add the first equation to the second equation.
c multiply the second equation by negative 1.

answer
Answers: 3

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Which is the best first step when solving the following system of equations?
x+y=3
4x-y...

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