Question

exercițiu 2 Dau coroana! a b c d

Answer 1

a). 3x = 18
x= 6

b). 10x = 100
X = 10



c). 2x = 8
X = 4


d). 5x = 100
X = 20

Answer 2

$\frac{2}{3} = \frac{x}{9} \\ x = \frac{2 \times 9}{3} = 6$
$\frac{x}{8} = \frac{1}{2} \\ x = \frac{8 \times 1}{2} = 4$

$\frac{5}{x} = \frac{10}{20} \\ x = \frac{5 \times 20}{10} = 10$