Question

tim x

gia tri tuyet doi cua -x+5=gia tri tuyet doi cua 1-5

 

Answer 1

/ -x + 5 / = / 1- 5 /

\(\Rightarrow-x+5=1-5\)

\(\Rightarrow-x+5=-4\)

\(\Rightarrow-x=-9\)

\(\Rightarrow x=9\)

Answer 2

/ -x + 5 / = / 1 - 5 /

=> -x + 5 = 1 - 5

=> -x + 5 = -4

=> -x = -9

=> x = 9

Answer 3

bọn chép bài

Answer 4

Cấm lên tiếng

Answer 5

/ -x + 5 / = / 1 - 5 /

=> -x + 5 = 1 - 5

=> -x + 5 = -4

=> -x = -9

=> x = 9

 mk,ok

Answer 6

I-x+5I=I1-5I

=> -x+5=1-5

-x+5=-4

=> -x=-4-5

=>x=-9