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kicyunya [14]
3 years ago
7

Evaluate The Following Expression −7 × 7 + 9 × −1 /−1 ​

Mathematics
1 answer:
UkoKoshka [18]3 years ago
6 0

Answer:

-50+9x

Step-by-step explanation:

multiply the numbers                              -49+9x -1

calculate the difference(-49-1                   -50 + 9x

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Answer:

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Step-by-step explanation:

x + y = 38

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You can substitute (10+y) into the top equation where the x is.

10 + y + y = 38

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Now plug 14 in for y in either equation to get x

x = 10 + 14

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