48+3x=9x-12 3.5x-2(x+5)=8 3x+24=5x-12 3x+8=4x-7 5

学习时间:2026-08-14 13:49:18 阅读：7529

48+3x=9x-12 3.5x-2(x+5)=8 3x+24=5x-12 3x+8=4x-7 548+3x=9x-123.5x-2(x+5)=83x+24=5x-123x+8=4x-75(2x+3)=2035-x=4(x+5)请帮忙这些方程题怎么解?谢谢.

聪明的紫菜

2026-08-14 13:49:18

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48+3x=9x-12 x=63。5x-2(x+5)=8 x=123x+24=5x-12 x=63x+8=4x-7 x=155(2x+3)=20 x=0。535-x=4(x+5) x=3