Question

7х=-65,4-4х
помогите плиз

Answer 1

x=-64/7
x=9целых2/7

4=4x
x=4/4
x=1

Answer 2

7x=-65,4-4x
7x+4x=-65,4
11x=-65,4
x=-65,4:11
x≈-5,94