5.2+x=-10
x=-10-5.2
x=-10-10
x=-20
k mình nhé
5.2+x=-10
X=-10-5.2
X=-15.2
TK MIK~~~~~~~
5.2 + x = - 10
<=> 10 + x = - 10
<=> x = - 10 - 10
<=> x = -20
Vậy x = -20
5 . 2 + x = -10
10 + x = -10
x = -10 - 10
x = -20
5.2+x=-10
2+x= -10:5
2+x= -2
x= -2-2
x= -2+(-2)
x= -4
+5,2 + x == -10
=> x = -20
Vậy x = -20
5.2 + x = -10
10 + x = -10
x = (-10) - 10
x =(-20)
bn ghi "dễ ợt" thì còn hỏi lm j z?