bonsoir
x
2 x
2 x + 5
10 ( 2 x + 5 )
= 20 x + 50
avec 7 = 20 * 7 + 50 = 140 + 50 = 190
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bonsoir
x
2 x
2 x + 5
10 ( 2 x + 5 )
= 20 x + 50
avec 7 = 20 * 7 + 50 = 140 + 50 = 190