Question

a. 3(x+1)=5+4(3-x) si m(1-x)=1+x

Answer 1

a) 3(x+1)=5+4(3-x)
3x+3=5+12-4x
3x+3=17-4x
3x+4x=17-3
7x=15
x=15/7

b) m(1-x)=1+x
m-mx=1+x
m-m-1=x+x
1=2x
x=1/2
x=0,5