wiintrr30
22.10.2020 •
Mathematics
Here is a system of linear equations:
2x + 1/2y= 7
6x - 1 / 2y=5
Which would be a more helpful for solving the system: adding the two equations or
subtracting one from the other? Explain your reasoning.
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Ответ:
-4x-7 also in case you want to know
7= -4x
x= -4/7