6x=-16+2x
=>6x-2x=-16
=>4x=-16
=>x=-4
Vậy x=4.
2(x-7)=-16
=>2x-14=-16
=>2x=-16+14
=>2x=-2
=>x=-1
Vậy x=-1.
6x=-16+2x
6x-2x=-16
4x=-16
x=(-16):4
x=-4
Vậy x = -4
6x = -16 + 2x
6x - 2x = -16
4x = -16
x = -4
Vậy x = -4
2 ( x - 7 ) = -16
2x - 14 = -16
2x = -2
x = -1
Vậy x = -1
6x=-16+2x
<=>6x-2x=-16
<=>4x=-16
<=>x=-4
2(x-7)=-16
<=>2x-14=-16
<=>2x=-2
<=>x=-1