x+4=10 x-12=34 8x=96
4x-30=0 8.3x-2x=63 x÷10 = 5.2
3x+ 7x +10 = 90 3(x - 12)+ 23 = 35 7x-8=2x+27
5x -18 = 3–2x (7x - 4)+3(x - 2)= 2x +6
满意请采纳.
x+4=10 x-12=34 8x=96
4x-30=0 8.3x-2x=63 x÷10 = 5.2
3x+ 7x +10 = 90 3(x - 12)+ 23 = 35 7x-8=2x+27
5x -18 = 3–2x (7x - 4)+3(x - 2)= 2x +6
满意请采纳.
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