Question

Найдите значение выражения 2x-5x, если x=-1 1/3

Answer 1

$2x - 5x = |x = - 1 frac{1}{3} = - frac{4}{3} | = 2 times ( - frac{4}{3} ) - 5 times ( - frac{4}{3} ) = - frac{8}{3} + frac{20}{3} = frac{12}{3} = 4$

Answer 2

2x-5x | при $x=-1frac{1}{3}=-frac{4}{3}$

$2*(-frac{4}{3} )-5*(-frac{4}{3} )=-frac{8}{3} +frac{20}{3} =4$