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x in (-oo:+oo)
(-3/2)*(x+4)-3 = 7 // - 7
(-3/2)*(x+4)-7-3 = 0
-3/2*(x+4)-7-3 = 0
-3/2*(x+4)-7-3 = 0
-3/2*x-13-3 = 0
-3/2*x-16 = 0
-3/2*x-16 = 0
-3/2*x-16 = 0 // + 16
-3/2*x = 16 // : -3/2
x = 16/(-3/2)
x = -32/3
x = -32/3
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