Question

(x+4x):2=10
Помогите пж

Answer 1

$\frac{x+4x}{2}=10\\x+4x=10*2\\5x=20\\x=20:5\\ x=4$

Answer 2

Ответ:

$(x + 4x) \div 2 = 10 \\ 5x \div 2 = 10 \\ \frac{5}{2} x = 10 \\ x = 4$