bonsoir,
a)
x
4x
4x+7
b)
x-8
3(x-8) = 3x-24
c)
x/2
x/2 +8
10( x/2+8) = 10x/2 + 80 = 5x +80
d)
x+2
3(x+2) = 3x+6
3x
