解方程4X+3×0.9=24.7

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解方程4X+3×0.9=24.7解方程4X+3×0.9=24.7解方程4X+3×0.9=24.74X+3×0.9=24.74x+2.7=24.74x=24.7-2.74x=22x=22÷4x=5.5

解方程4X+3×0.9=24.7
解方程4X+3×0.9=24.7

解方程4X+3×0.9=24.7
4X+3×0.9=24.7
4x+2.7=24.7
4x=24.7-2.7
4x=22
x=22÷4
x=5.5