Question

Rezolvati in Q+ ecuatia :
a) 2 pe 3 * (1+ 3-7x supra 2 ) =x
b) [ 1,(3)x supra 2 - 9 pe 4 ] : 0,6 = x pe 9

Answer 1

[tex]\text{Ecuatia }\frac{2}{3}(1+\frac{3-7x}{2})=x \text{ are solutia } x=\frac{1}{2}\\ \text{Ecuatia }[1.(3)\frac{x}{2}-\frac{9}{4}:0.6]=\frac{x}{9} \text{ are solutia } x=\frac{15}{4}\\ [/tex]