160:(у + 3)=20
у+3=160:20
у+3=8
у=8-3
у=5
8x+4(13x+32)=308
8x + 52x + 128 = 308
8x + 52x = 308 – 128
60x = 180
x = 3
160:(у + 3)=20
у+3=160:20
у+3=8
у=8-3
у=5
8x+4(13x+32)=308
8x + 52x + 128 = 308
8x + 52x = 308 – 128
60x = 180
x = 3