Respuesta :
The answer would be 0
9x-7=-7
-7+7=0
9x=0
x=0
Hope this helps :)
9x-7=-7
-7+7=0
9x=0
x=0
Hope this helps :)
so,
9x -7 = -7
9 x 0 = 0
0-7=-7
Its because 0 is first so its opposite
9x -7 = -7
9 x 0 = 0
0-7=-7
Its because 0 is first so its opposite