child21 child21
  • 24-01-2019
  • Mathematics
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Solve with elimination please

Solve with elimination please class=

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meredith48034
meredith48034 meredith48034
  • 24-01-2019
7(5x + y = 9)
10x - 7y = -18

35x + 7y = 63
10x - 7y = -18

45x = 45

x = 1

5(1) + y =9

5 + y = 9

y = 4

(1,4)
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