If │4x – 7 │= 15; Find
x
Solution
±(4x – 11 )= 17
4x -11= 15 OR
–(4x-11) = 15
4x – 11 = 15
OR -4x+11=15
4x = 15 + 11 OR
-4x= 15-11
4x = 26 OR -4x
= 4
4
4 -4
-4
x = 13/2
OR x = -1
Hence x = 13/2
OR x = -1
TRY THIS……………………….
If │2x – 7 │= 25; Find
x
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