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  • 23-10-2017
  • Mathematics
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What is the value of y in the solution to the system of equations?x + y = 12x – 3y = –30

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isaactillman05ouqokr
isaactillman05ouqokr isaactillman05ouqokr
  • 23-10-2017
x + y = 12 . . . . . . . . (1)
x - 3y = -30 . . . . . . . (2)
(1) - (2): 4y = 42
y = 10.5
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