Bonjour,j ai besoin d aide c est important pour demain.
je dois resoudre cette equation:
c est le N˚40
merci de vite repondre
je dois resoudre cette equation:
c est le N˚40
merci de vite repondre
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A) 6 + 2 (x - 5) = 2 (- x + 4)6 + 2x - 10 = - 2x + 8
2x + 2x = 8 - 6 + 10
4x = 12
x = 12/4
x = 3
b) 13 - 3 (- a + 3) = 5 (3 - a) + 2
13 + 3a - 9 = 15 - 5a + 2
3a + 5a = 15 + 2 - 13 + 9
8a = 13
a = 13/8
c) 2m - 3 (5 - 3m) = 3m - 15
2m - 15 + 3m = 3m - 15
2m - 3m + 3m = - 15 + 15
2m = 0
m = 0