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Lololol55
@Lololol55
April 2019
1
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SVP URGEN
Résoudre les équations suivante
1) 9(x-1)=11(x+4)
2) -2x+1=5x+9
3)-4(3x+1)=(-2x-1)×3
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maudmarine
Verified answer
Résoudre les équations suivantes :
1) 9(x-1)=11(x+4)
9x - 9 = 11x + 44
9x - 11x = 44 + 9
- 2x = 53
x = - 53/2
x = - 26,5
2) -2x+1=5x+9
- 2x - 5x = 9 - 1
- 7x = 8
x = - 8/7
3)-4(3x+1)=(-2x-1)×3
- 12x - 4 = - 6x - 3
- 12x + 6x = - 3 + 4
- 6x = 1
x = - 1/6
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Verified answer
Résoudre les équations suivantes :1) 9(x-1)=11(x+4)
9x - 9 = 11x + 44
9x - 11x = 44 + 9
- 2x = 53
x = - 53/2
x = - 26,5
2) -2x+1=5x+9
- 2x - 5x = 9 - 1
- 7x = 8
x = - 8/7
3)-4(3x+1)=(-2x-1)×3
- 12x - 4 = - 6x - 3
- 12x + 6x = - 3 + 4
- 6x = 1
x = - 1/6