lilred58
30.03.2021 •
Mathematics
Find the value of two numbers if their sum is 178 and their difference is 14
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Ответ:
x-y=14
Then you add the two equations together
2x=195
Divide both sides by 2
x= 97.5
Use equation 1 to substitute for x
x+y=178
97.5+y=178
Subtract 97.5 from both sides
Y=80.5
97.5+80.5= 178
One number is 97.5
The other number is 80.5
Ответ:
1273
Step-by-step explanation:
C) the answer on edg is C.