1) 2x-3=5 , Then x= a) 2 b) 5 c) 8 d) 4 2) 2a+3b-3a+b= a) 5a+4b b) -a+4b c) a+b d) 2a+b 3) 3(a+2b)+5a= a) 6a+6b b) 3a+2b c) 8a+6b d) 5b 4) 4x.6x= a) 24x2 b) 10x2 c) 10x d) 10 5) 30x4 / 6x = a) 4x5 b) 5x3 c) 180x5 d) 5x 6) 2x-6=8 , Then x= a) 1 b) 5 c) 2 d) 7 7) 6-3x<9 Answer a) x>-1 b) x<-1 c) x<1 d) x>1 8) Find the solution (x,y) a) (1,1) b) (-1,1) c) (1,-1) d) (-1,-1)

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