Question

решите уравнение 2.1(x+4)=1,3+0,1(x-11)

Answer 1

2.1(x+4)=1.3+0.1(x-11)
2.1x + 6.1=1.3+0.1x-1.1
2.1x-0.1x=1.3-1.1-6.1
2x=-5.9
x=-2.95