Question

Ajutati- ma va rog la subpunctul a

Answer 1

5/2x+3=10,75
2,5x+3=10,75
2,5x=10,75-3
2,5x=7,75
x=7,75:2,5
x=3,1

Answer 2

$\frac{5}{2} x+3=10,75$
$\frac{5}{2} x=10,75-3 =7,75$⇒$x=7,75: \frac{5}{2} =7,75* \frac{2}{5}= \frac{15,5}{5}=3,1$

Mult noroc!