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29 September, 19:49

Solve the system of equations using substitution:

7y+2x=16

5y-9=x

+1
Answers (1)
  1. 29 September, 20:18
    0
    7y+2 (5y-9) = 16

    7y+10y-18=16

    17y=34

    y=2

    5 (2) - 9=x

    10-9=x

    x=1
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