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(200%x)除5=30解方程

200-x=150 x=200-150 x=50

(200-x)÷5=30 401/5x=30 1/5x=4030

解:4×(200-X)=5×(70+X) 800-4X=350+5X 9X=450 X=50

(200-x)÷6=12.5 两边同时乘以6: 200-x=75 两边同时减去200: -x=-12

X=(200一X)x60% x=(200-x)*0.6 x=120-0.6x 1.6x=120

您好,寒樱暖暖为你解答: 解: (X+5)×5÷5=200÷5 X+5=40 X+5-5=40-5

3(200-x)-2x=50 600-3x-2x=50 5x=600-50 x=550/5

马上回答,请等待

200-x=40.8 解:X=200-40.8 X=159.2

7700-200x=100 解:200x=7700-100 200x=760

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