Question

решите уравнение 0.4х-0.3=0.3-0.7х

Answer 1

0.4x-0.3=0.3-0.7x
0.4x+0.7x=0.3+0.3
1.1x=0.6
x=0.6/1.1
x=0.(54)

Answer 2

0.55