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AAAHH
Answered

est ce que vous pouvez m'aider à résoudres ces équations svp?
a) 4 = x-5
b) -5 = y+6
c) -12 = x+4
d) 6 = y-1
e) -5 = 4-x
f) 7 = 6-y
g) 10 = -10-x
h) -12 = -4-y

merci d'avance
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Sagot :

MAUDMARINE

Bonjour,

a) 4 = x-5

x = 6 + 4

x = 9

b) -5 = y+6

y = - 6 - 5

y = - 11

c) -12 = x+4

x = - 4 - 12

x = - 16

d) 6 = y-1

y = 6 + 1

y = 7

e) -5 = 4-x

- x = - 5 - 4

- x = - 9

x = 9

f) 7 = 6-y

- y = 7 - 6

- y = 1

y = - 1

g) 10 = -10-x

- x = 10 + 10

- x = 20

x = - 20

h) -12 = -4-y

- y = - 12 + 4

- y = - 8

y = 8.

TELEPHONE16

Réponse :

Bonjour

Explications étape par étape

Résolution d'équations

4 = x -5

4 +5 = x

9 = x ou x = 9

-5 = y +6

-5 -6 = y

-11 = y

-12 = x +4

-12 -4 = x

-16 = x

6 = y -1

6 +1 = y

7 = y

-5 = 4 -x

-5 -4 = -x

-9 = -x

x = 9

7 = 6 -y

7 -6 = -y

1 = -y

y = -1

10 = -10 -x

10 +10 = -x

20 = -x

x = -20

-12 = -4 -y

-12 +4 = -y

-8 = -y

8 = y

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