Question

решите уравнение 5,2x + 9 = 3,4x​

Answer 1

5,2x + 9 = 3,4x

5,2x - 3,4x= -9

1,8х=-9

х=-5

Answer 2

5,2x+9=3, 4x
5,2x-3, 4x=-9
1,8x=-9
x=-9: 1,8
x=-5