Question

tìm x biết:

-(x+84)+213=-16

Answer 1

-(x+84)= -16 - 213

-(x+84)= -229

=> x+84= 229

x=145

Answer 2

-x - 84 + 213 = -16

-x = -16 + 84 - 213

-x = -145

x = 145 

Answer 3

-(x+84)=-16-213

-x=-16+84-213

-x=-145

=>x=145

tick nha