8+2x-4+4=6+4x-4-12
2x=8+12-6+4
2x=18
x=9
2×4+(X-2)×2+4= 6+(X-1)×4-12 求x的值和方程过程!
2×4+(X-2)×2+4= 6+(X-1)×4-12 求x的值和方程过程!
数学人气:158 ℃时间:2019-08-20 14:50:52
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