49 - |-17 - (-15) - x| = -3 + 27
49 - |-2 - x| = 24
|-2 - x| = 25
TH1: -2 - x = 25
x = -27
TH2: -2 - x = -25
x = 23
49-|-17-(-15)-x|=-3+27
49-|-17-(-15)-x|=24
|-17-(-15)-x|=49-25
|-2-x|=24
=>|-2-x|=+24
TH1:
-2-x=24
x=-2-24
x=-27
TH2:
-2-x=-24
x=-2-(-24)
x=23