
解方程计算器x-0.5x=10?
2个回答
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解:解方程,此方程的解为x = 20
x - 0.5x = 10
(10/10)x - (5/10)x = 10
[(10-5)/10]x = 10
(5/10)x = 10
(1/2)x = 10
x = 10 ÷ 1/2
x = 10 × 2
∴x = 20
答:此方程的解为x = 20
x - 0.5x = 10
(10/10)x - (5/10)x = 10
[(10-5)/10]x = 10
(5/10)x = 10
(1/2)x = 10
x = 10 ÷ 1/2
x = 10 × 2
∴x = 20
答:此方程的解为x = 20
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