Sagot :
3+x:2= 9:4
x/2=9/4-3
0,5x-9/4=-3
0,5x=9/4-3
x=2(9/4-3)
x=18/4-6
x=4,5-6
x=-1,5
Bonjour,
3 + x/2 = 9/4
12/4 + 2x/4 = 9/4
12 + 2x = 9
2x = 9 - 12
2x = - 3
x = - 3/2.
3+x:2= 9:4
x/2=9/4-3
0,5x-9/4=-3
0,5x=9/4-3
x=2(9/4-3)
x=18/4-6
x=4,5-6
x=-1,5
Bonjour,
3 + x/2 = 9/4
12/4 + 2x/4 = 9/4
12 + 2x = 9
2x = 9 - 12
2x = - 3
x = - 3/2.