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2. Raspunde cu DA sau NU:
a) ecuatia -2x+10 -0 are solutia 5:
c) ecuatia 2x:(-3) = -12 are solutia 2;
b) ecuatia x - 234 are solutia 18
d) ecuatia x: (-6) - 7 are solutia 13اند، او را​