Răspuns:
5.a)=-2x+6+6-3x=x
-5x+12=x
-5x-x=-12
-6x=-12|×(-1)
6x=12
x=12:6
x=2
b)=3x+6-5x-5=3-6x
-2x+1=3-6x
-2x+6x=3-1
4x=2
x=4:2
x=2
c)3x-5x+5radical2=radical2-4x
-2x+4x=radical2-5radical2
2x=6radical2
x=6radical2|:2
x=3radical2
Atat stiu
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