Himpunan penyelesaian dari I 2x +1 I I 2x+5I

Materi Nilai Mutlak[tex] |2x+1| = |2x+5| \\ (2x+1)^2 = (2x+5)^2 \\ (2x+1)^2 - (2x+5)^2 = 0 \\ (2x+1+2x+5)(2x+1-2x-5) = 0 \\ (4x+6)(-4) = 0 \\ 4x+6=0 \\ \boxed{{x = -\frac{3}{2}}} [/tex] HP = {-3/2}