1 exo pour demain svp je suis nul en math :( A. 2x - 3 = 5 B. x + 4 = 5x - 2 C. 3(x + 1) = 5x - 1 D. - 2 (4 - x) + 1 = 2 Voila, je vous en supplie <3<3

2x - 3 = 5
2x = 8
x = 8/2 = 4

x + 4 = 5x-2
-4x = -6
4x = 6
x = 6/4 = 3/2

3(x + 1) = 5x - 1
3x + 3 = 5x - 1
-2x = -4
2x = 4
x = 4/2 = 2

-2(4 - x) + 1 = 2
-8 + 2x + 1 = 2
2x - 7 = 2
2x = 9
x = 9/2