Bonsoir,
a. 3x + 2 = x + 6
3x-x = 6-2
2x = 4
x= 4/2
x= 2
b. -8x + 3 = 5x
3 = 5x+8x
3 = 13x
x= 3/13
2 Résous les équations suivantes.
a. -5x + 2 = −9x - 6
-5x + 9x = -6 -2
4x= -8
x = -8/4
x= -2
b. 18x - 8 = 40 - 25x
18x+ 25x = 40 +8
43x = 48
x= 48/43
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Bonsoir,
a. 3x + 2 = x + 6
3x-x = 6-2
2x = 4
x= 4/2
x= 2
b. -8x + 3 = 5x
3 = 5x+8x
3 = 13x
x= 3/13
2 Résous les équations suivantes.
a. -5x + 2 = −9x - 6
-5x + 9x = -6 -2
4x= -8
x = -8/4
x= -2
b. 18x - 8 = 40 - 25x
18x+ 25x = 40 +8
43x = 48
x= 48/43