If │4x – 7 │= 17; Find x
Solution
±(4x – 7 )= 17
4x -7= 17 OR –(4x-7) = 17
4x – 7 = 17 OR -4x+7=17
4x = 17 + 7 OR -4x= 17-7
4x = 24 OR -4x = 10
4 4 4 4
x =
6 OR x = 5/2
Hence x = 6 OR x = 5/2
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