Question

REZOLVATI ECUATIA IN 1 : 3 SUPRA 5 -0,8X=1 INTREG DIN 4 SUPRA 5

Answer 1

$1: \frac{3}{5}-0.8x=1* \frac{4}{5}$
$\frac{5}{3}-0.8x= \frac{4}{5}$
$-0.8x= \frac{4}{5}- \frac{5}{3}$
$-0.8x=- \frac{13}{12}$ ≈ $x=1 \frac{1}{12}$ ; ≈ x≈1.08333