
13.5x-X=100
2个回答
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解:解方程,此方程的解为x = 8
13.5x - x = 100
[(13×10+5)/10]x - (10/10)x = 100
(135/10)x - (10/10)x = 100
(125/10)x = 100
(25/2)x = 100
x = 100 ÷ 25/2
x = 100 × 2/25
∴x = 8
答:此方程的解为x = 8
13.5x - x = 100
[(13×10+5)/10]x - (10/10)x = 100
(135/10)x - (10/10)x = 100
(125/10)x = 100
(25/2)x = 100
x = 100 ÷ 25/2
x = 100 × 2/25
∴x = 8
答:此方程的解为x = 8
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