Sagot :
Bonjour,
x+(-44) = 18
x-44 =18
x-44+44 = 18+44
x = 62
x+6 = 91
x+6-6 = 91-6
x = 85
x+14 = 16
x+14-14 = 16-14
x = 2
x+31 = 25
x+31-31 = 25-31
x = -6
x+23 = 91
x+23-23 = 91-23
x = 68
x+20 = 32
x+20-20 = 32-20
x = 12
x+34 = 97
x+34-34 = 97-34
x = 63
x+9 = 36
x+9-9 = 36-9
x = 27
x+15 = 95
x+15-15 = 95-15
x = 80
x+47 = 75
x+47-47 = 75-47
x = 28
Bonne journée.
Réponse :
bonjour
Explications étape par étape :
x+(-44)=18
x= 18+44
x=62
x+6=91
x=91-6
x=85
x+14=16
x=16-14
x=2
x+31=25
x=25-31
x= -6
x+23=91
x=91-23
x=68
x+20=32
x=32-20
x=12
x+34=97
x=97-34
x=63
x+9=36
x=36-9
x=27
x+15=95
x=95-15
x=80
x+47=75
x=75-47
x=28