January 2021 0 65 Report
Maths 4è bonjour,
résoudre les équations suivantes :
a) x + 37 = 28

b) 4x-9 = 3x + 8

c) 3+ 9x sur 5 = 2+ 7x sur 4

d) 11(3x+7) = 4(2 + 8x)

pour le d) j'ai 33x+77 = 8 + 8x

Merci beaucoup
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