Answered

Résous les équations suivantes :
a. 2x - 2 = 2
f. 6- y = -2,3
b. 3z - 10 = 11 g. 7 - 3x = -22
c. 1 - y = 0
h.5 + 6z = -11
d. 1 + 5x = -39 i. -X-9 = 11,2
e. 2 + 3z = 9
j. 9,7y - 5,7 = -1,7

Sagot :

VINS

[tex]bonsoir\\\\\\2 x - 2 = 2\\2 x = 2 + 2 \\2 x = 4\\x = 2 \\\\6 - y = - 2.3\\- y = - 2.3 - 6 \\- y = - 8.3 \\y = 8.3 \\\\\\3 z - 10 = 11 \\3 z = 11 + 10 \\3 z = 21 \\z = 7 \\\\\\7 - 3 x = - 22 \\- 3 x = - 22 - 7 \\- 3 x = - 29 \\x = 29/3 \\\\\\1 - y = 0 \\- y = - 1 \\y = 1 \\\\5 + 6 z = - 11 \\6 z = - 11 - 5 6 z = - 16 \\z = - 16/6 = - 8/3 \\\\[/tex]