find x if the following pairs of rational numbers are equal
1. 6/8 , x/-9
2. x/5 , -4/8
3. 9/x , -5/4
Answers
Answered by
12
Answer:
1. 6/8 = x/-9(do cross multiplication) 8*x = 6*-9
8x = -54
x = -54/8
x = -6.75
2. x/5 = -4/8
8x = -20
x = -2.5
3. 9/x = -5/4
-5 x = 36
x = 36/-5
x = 7.2
hope this helps!!
Answered by
6
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