Question 135466
[2x-4]+7=15
|2x-4| = 8
Since the result is 8, that 2x-4 must be 8 or -8
EQUATIONS
2x-4 = 8 or 2x-4 = -8
2x = 12  or 2x = -4
x = 6    or  x = -2
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Cheers,
Stan H.