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11 June, 03:08

Solve following

x-y=2

5x+3y=18

+1
Answers (1)
  1. 11 June, 03:34
    0
    1: x-y=2

    2: 5x+3y = 18

    1: x=y+2

    2: replace x by y+2:

    5 (y+2) + 3y=18

    5y+10+3y=18

    8y=18-10

    8y=8

    Y=8/8

    Y=1

    So x=y+2

    X=1+2

    X=3
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