Answered

bonjour vous pouvez m'aider .ésoudre les équations suivantes.
x + 11 = 9
8 + x = 10
2,5 + x = 4
X – 11 = 3
X-5,9=7
x - (-6) = 12​

Sagot :

VINS

bonjour

x + 11 = 9

x = 9 - 11

x = - 2

8 + x = 10

x = 10 - 8

x = 2

2.5  + x = 4

x = 4 - 2.5

x = 1. 5

x- 5 .9 = 7

x = 7 + 5.9

x = 12.9

x + 6 = 12

x = 12 - 6

x = 6