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Sagot :

LEVIEKONGA

Réponse:

a/1+5x=-29

5x=-29-1

5x=-30

x=-30/5

x=-6

b/5z-10=12

5z=12+10

5z=32

z=32/5

c/3-y=0

-y=-3

(-1)(-1)y=(-1)(-3)

y=3

d/1+5x=-29

5x=-29-1

5x=-30

x=-30/5

x=-6

e/2+3z=-2

3z=-2-2

3z=-4

z=-4/3

f/9-y=-2,3

-y=-2,3-9

-y=-11,3

(-1)(-1)y=(-1)(-11,3)

y=11,3

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