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rezolvati in q ecuatia: ×+1/2-x-3+5=1-x/6

Răspuns :

(x+1)/2-x+2=(1-x)/6
-x+2=(1-x)/6-3(x+1)/(2•3)
-x+2=(1-x)/6-(3x+3)/6
-x+2=(1-x-3x-3)/6
-x+2=(-2-4x)/6
2(-1-2x)/6+x=2
(-1-2x)/3+x=2
(-1-2x)/3+3x/3=2
(-1-2x+3x)/3=2
-1+x=2•3
-1+x=6
x=6+1
x=7