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Sagot :

a. 2x-5=5x+1

3x - 5x = 1 + 5

-2x = 6

x = 6 / (-2)

x = -3

b. 3-7x=3x+2​

-7x - 3x = 2-3

-10x = -1

x = (-1) / (-10)

x = 1/10 ou 0.1

KWINOLIVER216

1)

2x-5x=1+5

3x=6

x=6÷3

x=2

2)

-7x-3x=2-3

-10x=-1

x=-1÷(-10)

x=1÷10

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