Question

решите уравнение 2/ 5- 3/5x=2/5-1/10x+3

Answer 1

$frac{2}{5} - frac{3}{5} x = frac{2}{5} - frac{1}{10} x + 3$
$frac{2}{5} - frac{2}{5} - frac{3}{5} x + frac{1}{10} x - 3 = 0$
$frac{1}{10} x - frac{6}{10} x - frac{30}{10} = 0$
1x-6x-30=0
-5x=30
x=-6