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08-12-2019
Mathematics

contestada

The sum of two numbers is 51 and the difference is 29. What are the numbers?

Respuesta :

sheabutta2706 sheabutta2706

08-12-2019

X+y=51
X-y=29
2x=80
X=40 sooo y=11

Answer Link

Аноним Аноним

08-12-2019

Answer:

40 and 11

Step-by-step explanation:

Call the numbers x and y. Then we write

x + y = 51 and x - y = 29

When we add these equations we get

2x = 80

x = 40 so that

y = 11

Check!

40+11=51 40-11=29

Answer Link

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