x方程a(5x-3)=6x+10无解,试求a.

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x方程a(5x-3)=6x+10无解,试求a.x方程a(5x-3)=6x+10无解,试求a.x方程a(5x-3)=6x+10无解,试求a.a(5x-3)=6x+105ax-3a=6x+10(5a-6)

x方程a(5x-3)=6x+10无解,试求a.
x方程a(5x-3)=6x+10无解,试求a.

x方程a(5x-3)=6x+10无解,试求a.
a(5x-3)=6x+10
5ax-3a=6x+10
(5a-6)x=10+3a
当5a-6=0且10+3a不=0时方程无解.
即:a=6/5

解方程得x=(10+3a)/(5a-6)
方程无解所以5a-6=0
a=6/5

5ax - 3a = 6x + 10
5ax - 6x = 10 + 3a
x = (10 + 3a) / (5a - 6)
当5a-6=0时此题无解
所以 a = 6 / 5

你去问老师吧