shajariajacobs shajariajacobs
  • 23-01-2020
  • Mathematics
contestada

11x + 2y = 68 & 5x + y = 13

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sharifahbatrisyia165
sharifahbatrisyia165 sharifahbatrisyia165
  • 23-01-2020

Answer:

i hope its correct

Step-by-step explanation:

11x + 2y=68 ------------1

5x+y=13 ------------2

y= 13-5x. ------------3

put 3 into 1

11x +2(13-5x) =68

11x +26 -10x =68

x=42

put x =42 into 2

5(42) +y =13

210+y=13

y=13-210

y=197

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