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timama [110]
3 years ago
12

Please help i’ll mark!

Mathematics
1 answer:
Lunna [17]3 years ago
5 0

Answer:

-6

Step-by-step explanation:

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Los jornales de dos obreros suman S/.60. Si uno de ellos gana S/.12
8_murik_8 [283]

Answer:

Cada uno de ellos gana:

S/. 24

S/. 36

Step-by-step explanation:

Planteamiento:

a + b = 60

a = 12 + b

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

(12+b) + b = 60

2b + 12 = 60

2b = 60 - 12

2b = 48

b = 48/2

b = 24

de la segunda ecuación del planteamiento:

a = 12 + b

a = 12 + 24

a = 36

Check:

24 + 36 = 60

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3 years ago
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Answer:

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Step-by-step explanation:

4 0
3 years ago
1 n +5 - 1<br> n2 + n n2 +n<br> n-6<br> n +1
chubhunter [2.5K]
1). 1n+5-1
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n3+n2+n
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Write an equation to represent the following description. The difference of seven times a number and 15 is 41.
chubhunter [2.5K]

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7 0
3 years ago
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