Question

3(x-1,5)+2x=5(2,5+2x)

Answer 1

3(x-1,5)+2x=5(2,5+2x)
Раскрываем скобки.
3x - 4,5 + 2x = 12,5 + 10x
5x - 4,5 = 12,5 + 10x
5x = -17
x = -3,4.

Answer 2

$3(x-1,5)+2x=5(2,5+2x) \ 3x-4,5+2x=12,5+10x \ 5x=-17 \ x= frac{-17}{5} =-3frac{2}{5} =-3.4$