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Anaisderrien42
@Anaisderrien42
May 2019
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Salut serait-il possible de m'expliquer comment je dois resoudre cette equation en 7 lignes:
5x + 25= 2x + 10
Le résultat a la fin doit donner:
x = -5
Merci d'avance.
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Verified answer
Bonjour,
5x+25 = 2x+10
5x+25-2x = 2x+10-2x
3x+25 = 10+0x
3x+25-25 = 10-25
3x = -15
3x/3 = -15/3
x = -5
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Verified answer
Bonjour,5x+25 = 2x+10
5x+25-2x = 2x+10-2x
3x+25 = 10+0x
3x+25-25 = 10-25
3x = -15
3x/3 = -15/3
x = -5