Question

aflați x din egalitatile x plus 1 supra 2 egal cu 5 supra 2

Answer 1

$\frac{x+1}{2} = \frac{5}{2} \\\\ x+1= \frac{5*2}{2} \\\\ x+1=5\\ x=5-1\\ x=4$

Answer 2

[tex] \frac{x+1}{2}= \frac{5}{2}; \\ \\ 2(x+1)=2*5; \\ \\ 2x+2=10; \\ \\ 2x=8; \\ \\ x=4; [/tex]