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Nadya [2.5K]
3 years ago
13

How can i solve these simultaneous equation 11x+11y=1001 and 10x+y=10

Mathematics
1 answer:
vovangra [49]3 years ago
8 0

Answer:

10x + y = 10 (1)\\ 11x + 11y = 1001(2) \\ from \: equation \:(1) \: y = 10 - 10x \\ 11x + 11(10 - 10x) = 1001 \\ 11x + 110 - 110x = 1001 \\ 11x - 110x = 1001 - 110 \\  - 99x = 891 \\  \frac{ - 99x}{ - 99}  =  \frac{891}{ - 99}  \\  x =  - 9 \\ y = 10 - 10x \\ y = 10 - 10( - 9) \\  y= 10 + 90 \\ y = 100

Step-by-step explanation:

Hope that this is helpful.

Have a great day.

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Answer:

1. An Experimental

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Step-by-step explanation:

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3 0
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