Question

-2.(-3-4x)-3(3x-70=31

Answer 1

185 ban co the ung ho minh bang cach tick

Answer 2

=>[6-(-8x)]-(9x-210)=31

=>6-(-8x)-9x+210=31

=>(6+210)-(-8x+9x)=31

=>216-x=31

=>x=216-31

=>x=185

Answer 3

-2.(-3-4x)-3(3x-70)=31

6+8x-9x+210=31

-1x+216=31

-1x=-185

=> x=185