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USER3739
Bonjour
1)7x=6-3
7x=3
7x/7=3/7
X=3/7

2)5x-2x=8+7
3x=15
3x/3=15/3
X=5

Bonsoir,

1) 7x +3 = 6

7x = 6-3

7x = 3

x = 7/3

2) 5x -7 = 2x +8​

5x-2x=  8+7

3x= 15

x = 15/3

x= 5

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