8(X—1.5)=4 还有一道0.6X×2.5=67.5
1个回答
8(X—1.5)=4
8x-12=4
8x=4+12
8x=16
x=2
0.6X×2.5=67.5
0.6x=67.5/2.5
0.6x=27
x=45
相关问题
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4X-24=2X+20 2X(X-0.7)=4.8 0.6X+3X2.5=67.5 (X-7)除以3=8 5X-1.5X
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2.1X+7.9X=6.9 5X+0.8×2=7.12X+5.8=8.2 6X-3×4=1.2
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1.2.3.1/5X+1/5=1/4 6×9-0.5X=26.8 0.75:X=1.25:24.5.6.2X+0.3X=