👤

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

Răspuns :

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