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5 votes
5 votes
-a+9bA=4B= - 4 I forgot how this thing works? Please someone help!

User Yazan
by
2.9k points

1 Answer

13 votes
13 votes

-a+9b

a=4

b=-4

Replace a by 4 and b by -4 in the expression, then solve it

-(4)+9(-4)

-4 -36

-40

User Vaishak Suresh
by
2.5k points
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