Question

Tìm x

/2x-10/+2x-10=0

mik cần gấp mong giúp đỡ

Answer 1

|2x-10|+2x-10=0

=> |2x-10| = 0 - (2x+10)

=> |2x-10| = - (2x+10)

=> 2x-10 < = 0

=> 2x < = 10

=> x < = 10 : 2

=> x < = 5

Vậy x < = 5

Tk mk nha

Answer 2

\(\left|2x-10\right|+2x-10=0\)

\(\Leftrightarrow\left|2x-10\right|=-\left(2x-10\right)\)

\(\Leftrightarrow2x-10\le0\)

\(\Leftrightarrow2x\le10\)

\(\Leftrightarrow x\le5\)