Respuesta :
5x + 7 = 22
5x = 22 - 7
5 x = 15
x= 15/5
x = 3
and 2*2x-2*17+4=-3*3-3x
4x-34+4=-9-3x
4x+3x=-9+34-4
7x=21
x=21/7
x=3
5x = 22 - 7
5 x = 15
x= 15/5
x = 3
and 2*2x-2*17+4=-3*3-3x
4x-34+4=-9-3x
4x+3x=-9+34-4
7x=21
x=21/7
x=3