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7 x+2( x+5)=x – 3 est egale a combien ?

1 Answer

2 votes

Answer:

x = -13/8

Explanation:

7x + 2(x + 5) = x - 3

7x + 2x + 10 = x - 3

9x + 10 = x - 3

9x - x = -3 - 10

8x = -13

x = -13/8

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