Помогите с алгеброй даю 100 пиров как можно прытче первый пример.?

6х+18=0

6х=-18

х=-3

5х-3=0

5х=3

х=0.6

4х-7=0

4х=7

х=1.75

-5х+6=0

-5х=-6

х=1.2

4х+10=-10

4х=-10-10

4х=-20

х=-5

10х+1=6х

10х-6х=-1

4х=-1

х=-0.25

-х-7=-5х

-х+5х=7

4х=7

х=1.75

-4+3х=8х+5

3х-8х=5+4

-5х=9

х=-1.8

-7х-7=4-8х

-7х+8х=4+7

х=11

3-4х=8х+9

-4х-8х=9-3

-12х=6

х=-0.5

5(х-9)=-2

5х-45=-2

5х=-2+45

5х=43

х=8.6

-7=5(х+5)

-7=5х+25

5х=-7-25

5х=-32

х=-6.4

7(х-1)=3х

7х-7=3х

3х-7х=-7

-4х=-7

х=1.75

2(7+9х)=-6х+2

14+18х=-6х+2

18х+6х=2-14

24х=-12

12х=-6

6х=-3

2х=-1

х=-0.5

-6(9-5х)=9х+9

-54-30х=9х+9

-30х-9х=9+54

-39х=63

х=-1.61

10-2(-х-7)=9

10+2х+14=9

2х=9-10-14

2х=-15

х=-7.5

-3х+4=-10+5(-7-х)

-3х+4=-10-35-5х

-3х+5х=-10-35-4

2х=-49

х=-24.5

5х-6(5+2х)=х-2

5х-30-12х=х-2

5х-12х-х=-2+30

-8х=28

-4х=14

-2х=7

х=-3.5

х-1+(х+2)=-4(-5-х)-5

х-1+х+2=20+4х-5

2х-4х=20-5-1

-2х=14

-х=7

х=-7

-2х+1+5(х-2)=-4(3-х)+1

-2х+1+5х-10=-12+4х+1

-2х+5х-4х=-12+1+10-1

-х=-2

х=2