Find the value of x.
Х
(i)
fi
-42
-20
8 X
Х
-17 136
77 42
(iii)
Z
11
(iv)
11
44'
4 X
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Answer:
(I) x = (-24)
(III) x = (-5)
Step-by-step explanation:
(I) 4 / 7 = x / (-42)
=> (4) (-42) = (x) (7)
=> - 168 = 7x
=> 7x = -168
=> x = -168 / 7
=> x = - 24
(III) x / 11 = -20 / 40
=> (x) (44) = (11) (-20)
=> 44x = - 220
=> x = -220 / 44
=> x = -5
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