Question

1
⁻⁻ = - 0.45 oblicz x
x


4x + y
⁻⁻⁻⁻⁻⁻⁻⁻⁻ =
2

Answer 1

1
⁻⁻ = - 0.45 /*x
x

1=-0,45x
0,45x=-1
45/10x=-1 /*10/45
x=-10/45
x=-0,45

4x + y
⁻⁻⁻⁻⁻⁻⁻⁻⁻ /*2
2
4x+y=0
4x=-y /:4
x=-y/4