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PATYKOHLER
Answered

Bonjour . Qui peux m'aider . Merci d'avance. Résoudre les équations.

a) x+3=  18

b) 5+y=  -20

c) a-10= 16

d) -5+t=  -24

 

a) 4x=  36

b) 3y=   - 21

c) 18=   -4a

d) 4/5 m  =  2/3

 

Sagot :

a)

x + 3 = 18

x = 18 - 3 

x = 15

 

b)

5 + y = - 20

y = - 20 - 5

y = - 25

 

c)

a - 10 = 16

a = 16 + 10

a = 26

 

d)

- 5 + t = - 24

t = - 24 + 5

t = - 19

 

 

 

a)

4x = 36

x = 36 / 4

x = 9

 

b)

3y = - 21

y = - 21 / 3

y = - 7

 

c)

18 = - 4a

a = - 18 /  4

a = - 4.5

 

d)

4/5 m = 2/3

m = (2/3) / (4/5)

m = (2/3) * (5/4)

m = 10/12

m = 5/6

 
A) x+3-3=18-3
x=15
B)5+y-5=-20-5
Y=-25
C) a-10+10=16+10
a=26
D) -5+t+5=-24+5
t=29

a)4x\4=36/4
x=9
b) 3y/3=-21/3
y=-7
C)18\-4=-4a/-4
-4,5=a
D)????

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