Question

1, 1/5*(2/3x+1/6)=2,6

Answer 1

$frac{6}{5} times( frac{2}{3} x + frac{1}{6} ) = frac{13}{5} \ frac{4}{5} x + frac{1}{5} = frac{13}{5} \ 4x + 1 = 13 \ x = 3$