Sagot :
Bonsoir '
2x - 11 = 7x + 4
2x - 7x = 4 + 11
-5x = 15
x = -15/5
x= -3
6 - 3x = 15 + 4x
-3x - 4x = 15-6
-7x = 11
x = - 11/7
Bonne soiree.
Bonsoir
2X-11=7X+4
7X-2X=-4-11
5X=-15
X=-15/5
X=-3
6-3X=15+4X
4X+3X=-15+6
7X=-9
X=-9/7
Bonsoir '
2x - 11 = 7x + 4
2x - 7x = 4 + 11
-5x = 15
x = -15/5
x= -3
6 - 3x = 15 + 4x
-3x - 4x = 15-6
-7x = 11
x = - 11/7
Bonne soiree.
Bonsoir
2X-11=7X+4
7X-2X=-4-11
5X=-15
X=-15/5
X=-3
6-3X=15+4X
4X+3X=-15+6
7X=-9
X=-9/7