Question

Cat de urgent puței, am nevoie repedeeeee ​

Answer 1

Răspuns:

a) 0

b)-1

c)-3

d)5

e)-1

f)-5

g)-3

h)4

i)6

Answer 2

Explicație:

a.2(x-3)=-6

x-3=-3

x=0

b.-4(x-2)=12

x-2=-3

x=-3+2

x=-1

c.-3(x+1)=-6

x+1=2

x=2-1

x=1

d.-7(x-3)=-14

x-3=2

x=2+3

x=5

e.2(2x-3)=-10

2x-3=5

2x=5+3

2x=8

x=4

f.3(2x-3)=-39

2x-3=-13

2x=-13+3

2x=10

x=-5

g.2(x-8)+4=-6

2x+16+4=-6

2x+20=-6

2x=-6-20

2x=-26

x=-13

h.-5(x-3)+7=2

-5x+15+7=2

-5x+22=2

-5x=2-22

-5x=-20

x=4

i.-6(x+7)+3x=-42

-6x-42-3x=-42

-6x-3x=0

-9x=0

x=0