2.1(x+4)=1.3+0.1(x-11)
2.1x + 8.4 = 1.3 + 0.1x – 1.1
2,1x – 0,1x = – 1,1 + 1,3 – 8,4
2x = -8.2
x = -4.1
2.1(x+4)=1.3+0.1(x-11)
2.1x + 8.4 = 1.3 + 0.1x – 1.1
2,1x – 0,1x = – 1,1 + 1,3 – 8,4
2x = -8.2
x = -4.1