x+5/9x=4/15怎么解方程
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解:解方程,此方程的解为x = 6/35
x + (5/9)x = 4/15
(9/9)x + (5/9)x = 4/15
(14/9)x = 4/15
x = 4/15 ÷ 14/9
x = 4/15 × 9/14
x = (2×2)/(3×5)× (3×3)/(7×2)
x = (2×3)/(5×7)
∴x = 6/35
答:此方程的解为x = 6/35
x + (5/9)x = 4/15
(9/9)x + (5/9)x = 4/15
(14/9)x = 4/15
x = 4/15 ÷ 14/9
x = 4/15 × 9/14
x = (2×2)/(3×5)× (3×3)/(7×2)
x = (2×3)/(5×7)
∴x = 6/35
答:此方程的解为x = 6/35
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x+5/9x=4/15
解:4/5x=4/15
x=4/15×5/4
x=1/3
解:4/5x=4/15
x=4/15×5/4
x=1/3
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解方程
x+(5/9)x=4/15
(14/9)x=4/15
(14/3)x=4/5
(7/3)x=2/5
x=6/35
x+(5/9)x=4/15
(14/9)x=4/15
(14/3)x=4/5
(7/3)x=2/5
x=6/35
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