sixtinepicard sixtinepicard

15-10-2022
Mathematics

contestada

Égalités et équations
13 Dans chaque cas, le nombre a est-il solution de
l'équation proposée ?
a. 2x + 4 = 5x-7
- 3
4
a=
b. x-5=2x-3
C. x + 4 = x-7
d. 2x+5=2(x + 2) +1_a=--
a=
a=8
23
12
2/3

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