Question

Determinați numărul x din:
$\frac{1}{2} = \frac{x + 3}{10}$
Va roggggg frumosss! Ajutați-mă! ​

Answer 1

1/2=(x+3)/10

10 = 2(x+3) |:2

5=x+3

=> x=2

Baftă!

Answer 2

Răspuns:

$\\\frac{1}{2} = \frac{x + 3}{10} \\ 2( \times + 3) = 1 \times 10 \\ 2 \times + 6 = 10 \\ 2 \times = 10 - 6 \\ 2 \times = 4 \\ \times = \frac{4}{2} \\ \times = 2$