2X+18=46解方程 X÷1.8=7.9 2X+18=46

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2X+18=46解方程X÷1.8=7.92X+18=462X+18=46解方程X÷1.8=7.92X+18=462X+18=46解方程X÷1.8=7.92X+18=462X+18=462x=46-18

2X+18=46解方程 X÷1.8=7.9 2X+18=46
2X+18=46解方程 X÷1.8=7.9 2X+18=46

2X+18=46解方程 X÷1.8=7.9 2X+18=46
2X+18=46
2x=46-18
2x=28
x=14
X÷1.8=7.9
x=7.9×1.8
x=14.22