yah2muchh
05.01.2022 •
Mathematics
What is the first step to solving the following system of equations using substitution? x-y=7 2x-y=17
please help
Solve the first equation for x.
Multiply the first equation by 2.
Add the two equations together.
Divide the second equation by 2.
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Ответ:
answer:
4
Step-by-step explanation: