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[2•(2x+8)]•16=15
x•(1+2+3+...100)=101•100
x la puterea a2a +16=2+4+6+...+32
(2x+1)la puterea a2a=(x-3)la puterea a2a

x+2supra x=3 supra x+1

AJUTATI-MA URGENT!!!