Question

valoare lui x pentru fractile 3 sura 2 si x+1 supa 4

Answer 1

3/2=x+1/4
x+1=3×4/2
x+1=12/2
x+1=6
x=6-1
x=5

Answer 2

$\dfrac{3}{2}=\dfrac{x+1}{4}~~~~*amplifici~ pentru~a~ajunge~la~acelasi~numitor~(4)$
$12=2(x+1)$
$12=2x+2$
$-2x=2-12$
$-2x=-10~~~~/\cdot(-1)$
$2x=10$
$x=10:2$
$\fbox{x=5}$