Question

7x-5 totul supra 6 +4=-2x cu cat este egal

Answer 1

[tex] \frac{7x-5}{6+4} =-2x; \frac{7x-5}{10} =-2x; 7x-5=-2x *10; 7x-5=-20x; 7x-20x=5; -13x=5/ *(-1); 13x=5; x= 5 supra 13 [/tex]

Answer 2

[tex]\frac{7x-5}{6}+4=-2x \\ \frac{7x-5+24}{6}=-2x\\ 7x+19=-12x\\ 7x+12x=-19\\ 19x=-19 \Rightarrow x=-1[/tex]