Question

решите уравнение -3×+0,21=1,5​

Answer 1

-3x=1,5-0,21
-3x=1,29 / (-1)
3x=-1,29
x= (-1,29):3
x= - 0,43

Answer 2

Răspuns:

$- 3x + 0.21 = 1.5 \\ 3x = 1.5 - 0.21 \\ 3x = 1.29 \\ x = 1.29 \div 3 \\ x = 0.43$