Bonsoir svp vous pouvez m’aider svp je comprend rien? 1 Résous chaque équation. d. - 6x - 5 = 0 a. 8x + 3 = 0 b. 2x - 9 = 0 c. 49 - 7x = 0 h. 20 - 4x = - 4 e. 5
Mathématiques
rakeshchoudhary97709
Question
Bonsoir svp vous pouvez m’aider svp je comprend rien?
1 Résous chaque équation.
d. - 6x - 5 = 0
a. 8x + 3 = 0
b. 2x - 9 = 0
c. 49 - 7x = 0
h. 20 - 4x = - 4
e. 5x + 12 = 3
f. 10x + 1 = - 7
g. 9x - 2 = 6
1 Résous chaque équation.
d. - 6x - 5 = 0
a. 8x + 3 = 0
b. 2x - 9 = 0
c. 49 - 7x = 0
h. 20 - 4x = - 4
e. 5x + 12 = 3
f. 10x + 1 = - 7
g. 9x - 2 = 6
2 Réponse
-
1. Réponse arcane12
d) -6✘ - 5 = 0
-6✘ = 5
✘ = 5/-6
———————————
a) 8✘ + 3 = 0
✘ = -3/8
———————————
b) 2✘ -9 = 0
✘ = 9
✘ = 9/2
—————————
c) 49-7✘= 0
-7✘= -49
✘= -49/-7
✘= 7
—————————————
h) 20 - 4✘ = -4
-4✘ = -4 -20
✘ = -24/-4
✘ = 6
————————————-
e) 5✘ + 12 = 3
✘ = 9/5
—————————————-
f) 10✘ + 1 = 7
✘ = 6/10
————————————-
g) 9✘ -2 = 6
✘ = 8/9 -
2. Réponse maudmarine
Bonjour
Résous chaque équation.
d. - 6x - 5 = 0
- 6x = 5
x = - 5/6
a. 8x + 3 = 0
8x = - 3
x = - 3/8
b. 2x - 9 = 0
2x = 9
x = 9/2
c. 49 - 7x = 0
- 7x = - 49
x = 49/7
x = 7
h. 20 - 4x = - 4
- 4x = - 4 - 20
- 4x = - 24
x = 24/4
x = 6
e. 5x + 12 = 3
5x = 3 - 12
5x = - 9
x = - 9/5
f. 10x + 1 = - 7
10x = - 7 - 1
10x = - 8
x = - 8/10
x = - 4/5
g. 9x - 2 = 6
9x = 6 + 2
9x = 8
x = 8/9.