Bonjour j'ai exercice de maths a faire mais je ne comprends pas • résoudre les équations suivantes :
a) 4(2-x)+5 = -3(2x+3)-12
b) 3x+1/4 = 5x-2/5
c) x/3 + 5/6 = 1/2-x
d) x-(x+1) = (x+3-(x-3)
Mercii beaucoup
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