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Mnenie [13.5K]
3 years ago
15

**GIVING OUT BRAINLIEST PLEASE HELP***

Mathematics
2 answers:
Vanyuwa [196]3 years ago
8 0

Answer: 10

Step-by-step explanation:

OLga [1]3 years ago
7 0

Answer:

n is less than or equal to: 10

Step-by-step explanation:

10n+20=120

subtract 20

10n=100

divide by 10

n=10

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Ilia_Sergeevich [38]

Answer:

x  = 0

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Step-by-step explanation:

The given system of equation are:

   5x + y = -2

   2x - 2y = 4  

The problem here is to find x and y from the expression

   5x + y = -2     ----- i

   2x - 2y = 4    ---- ii

 So;

i x 2 :  10x + 2y  = -4     ----  iii

ii x 5 :  10x - 10y  = 20    ----- iv

   iii - iv;   12y  = -24

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    Now find x;

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                  x  = 0

 

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Step-by-step explanation:

5 0
3 years ago
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OLga [1]
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