raulsaldana raulsaldana
  • 17-01-2024
  • Mathematics
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What is the first step to solve the following system of equations using substitution?

x-y=7
2x-y=17

A) Multiply the first equation by 2.
B)Divide the second equation by 2.
C) Add the two equations together.
D)Solve the first equation for x.

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