السؤال
الحل
9x=9−2x=−2
26x=22(5x+2)6x=10x+44x=−4x=−1
72(3P+1)=72P−56P+2=2P−54P=−7x=−74
32x2=33(x2−2)2x2=3x2−6x2=6x=±6
3n−2>33n−2>3n>5
22n≤1242n≤−4n≤−2
24n<23(n+1)4n<3n+3n<3
25(5P+2)≥24(5P)25P+10≥20P5P≥−10P≥−2
4x×42=484x=48164x=3
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