Question

упростите выражения
3,8(x+5)-1,8x

Answer 1

$frac{19}{5} times (x + 5) - frac{9}{5} x \ \ frac{1}{5} times (19(x + 5) - 9x) \ \ frac{1}{5} times (19x + 95 - 9x) \ \ frac{1}{5} times (10x + 95) \ \ frac{1}{5} times 5(2x + 19) \ \ 5 times frac{1}{5} times (2x + 19) \ \ frac{5}{5} times (2x + 19)$

Answer 2

3,8 (х+5) - 1,8х = 3,8х - 1,8х + 19 = 2х + 19