4分之5x+4<2x+10

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4分之5x+4<2x+104分之5x+4<2x+104分之5x+4<2x+104分之5x+4<2x+105x+4<8x+405x-8x<40-4-3x<36x>-124分之5x+4<2x+10;5x+

4分之5x+4<2x+10
4分之5x+4<2x+10

4分之5x+4<2x+10
4分之5x+4<2x+10
5x+4<8x+40
5x-8x<40-4
-3x<36
x>-12

4分之5x+4<2x+10;
5x+4<8x+40;
3x>-36;
x>-12

是不是判断对错?

4分之5x+4<2x+10
5x+16<8x+40
5x-8x<40-16
-3x<24
x大于-8