Question

TÌM x , biêt , 

a, ( 2x + 1 ) + ( 3 - x ) = 0

Help me !!!!

Answer 1

(2x+1)+(3-x)=0

=>2x+1=-3+x

=>2x+1-x=-3

=>x+1=-3

=>x=-3-1=-4

Vậy x=-4

Answer 2

a)(2x+1)+(3-x)=0

 2x+1+3-x=0

x+4=0

x=-4

vậy x=-4

Answer 3

(2x+1)+(3-x)=0

=>x = -4

Answer 4

Thanks cac bn nhieu nha !!!