2x + 3 = 18 2x + 7 = -19 7x + 3 = 32 9x + 3 = 18
Mathématiques
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Question
2x + 3 = 18
2x + 7 = -19
7x + 3 = 32
9x + 3 = 18
2x + 7 = -19
7x + 3 = 32
9x + 3 = 18