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Shamina02
@Shamina02
May 2019
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Bonsoir
Pouvez-vous m'aider. S'il vous plait.
Je n'arrive pas pour cette exercice.
a. -7x - 12 = 8x + 3 b. 7x + 13 = -3x - 7
Merci de m'aider svp je vous en suppli aidez moi
Au revoir
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EnjoyToday
Verified answer
Salut
A) -7x - 12 = 8x + 3
- 7x - 8x = 3 + 12
- 15 x = 15
x = 15/-15
x = -1
B) 7x + 13 = -3x - 7
7 x + 3x = -7 -13
10x = -20
x = -20/10
x = -2
J’espère t’avoir aidé !!
Bonne continuation
2 votes
Thanks 1
Stiaen
Verified answer
Bonsoir,
1 votes
Thanks 1
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Verified answer
SalutA) -7x - 12 = 8x + 3
- 7x - 8x = 3 + 12
- 15 x = 15
x = 15/-15
x = -1
B) 7x + 13 = -3x - 7
7 x + 3x = -7 -13
10x = -20
x = -20/10
x = -2
J’espère t’avoir aidé !!
Bonne continuation
Verified answer
Bonsoir,