Question

poza va rog mult dau coroana​

Answer 1

sper ca te am ajutat!! <3

Answer 2

Explicație pas cu pas:

$\frac{ ^{10)} x + 1}{2} + \frac{^{5)}x + 1}{4} + \frac{^{4)}x + 1}{5} = \ ^{20)}1 \\ 10(x + 1) + 5(x + 1) + 4(x + 1) = 20 \\ 19(x + 1) = 20 \iff x + 1 = \frac{20}{19} \\ x = \frac{20}{19} - 1 \implies x = \frac{1}{19}$