Răspunsuri

2014-04-24T22:12:05+03:00
Mx-3+2x=2m-2x+5
mx+2x+2x=3+2m+5
x(m+4)=2m+8
x(m+4)=2(m+4)
x=2

b)
2+mx-3x=3mx-2x+4
x(m-3-3m+2)=4-2
x(-2m-1)=2
x=-2/2m+1

2014-04-24T22:37:12+03:00
Mx-3+2x=2m-2x+5
mx+2x+2x=3+2m+5
x(m+4)=2m+8
x(m+4)=2(m+4)
x=2

b)
2+mx-3x=3mx-2x+4
x(m-3-3m+2)=4-2
x(-2m-1)=2
x=-2/2m+1 uite asa !