Sos!!!!!!!!!!!!!!°°°°°

Question

Sos!!!!!!!!!!!!!!°°°°°

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Answer 1

Вот))надеюсь помогла!

Answer 2

5х+9=0
5х=-9
х=-1 4/5=-1,8

4+4х+5=0
4х=-9
х=-2 1/4=-2,25

5х+10=0
5х=-10
х=-2

Answer 3

+5х+9=0
5х=-9
х=-9,5
х= -9/5