Question

Ajutați mă vă rog!!!!!!

Answer 1

Răspuns:

Explicație pas cu pas:

a.3x+2=5x-6+8x=>3x+2=13x-6=>-10x=-8=>x=8/10=4/5

b.7x+4-3x+3=x+2=>4x+4=x+2=>3x=-2=>x=-2/3

c.3x+9>3x-2-2x=>2x>-11=>x>-11/2=>x apartine [-11/2;infinit)

d.2x-1>3x-2-2x=>x>-1=>x apartine [-1;infinit)

e.2x+7=4/3-2x=>2x+7=4-6x/3=>6x+21=4-6x=>12x=-17=>x=-17/12