1.4X等于x+6.4解方程细节写清?
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解:解方程, 此方程的解为x = 16
1.4X等于x+6.4
1.4x = x + 6.4
1.4x - x = 6.4
[(1×10+4)/10]x - (10/10)x = (6×10+4)/10
(14/10)x - (10/10)x = 64/10
(4/10)x = 32/5
(2/5)x = 32/5
x = 32/5 ÷ 2/5
x = 32/5 × 5/2
∴x = 16
答:此方程的解为x = 16
1.4X等于x+6.4
1.4x = x + 6.4
1.4x - x = 6.4
[(1×10+4)/10]x - (10/10)x = (6×10+4)/10
(14/10)x - (10/10)x = 64/10
(4/10)x = 32/5
(2/5)x = 32/5
x = 32/5 ÷ 2/5
x = 32/5 × 5/2
∴x = 16
答:此方程的解为x = 16
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