0.54r+9+8.2=(-4+8.2)-0.46r
0.54r + 9 + 8.2 = – 4 + 8.2 – 0.46r
0,54r + 0,46r = 8,2 – 4 – 8,2 – 9
r = -13
0.54r+9+8.2=(-4+8.2)-0.46r
0.54r + 9 + 8.2 = – 4 + 8.2 – 0.46r
0,54r + 0,46r = 8,2 – 4 – 8,2 – 9
r = -13