+0  
 
0
4
1
avatar+1981 

Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas.

 Jun 22, 2024
 #1
avatar+129725 
+1

Add these

 

2a  =10

 

a = 5

 

5 + 5b  = 250

 

5b = 245

 

b = 49

 

 

cool cool cool

 Jun 22, 2024

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