1) x+3=8 then x=..................... a) 2 b) 5 c) 3 d) 9 e) -5 f) 1 2) double the number x add to 5 is ,,,,,,,,,,,,,,,,, a) 5 b) 2x+5 c) 3 d) x+5 3) a man his age is x after 7 years is ..................... a) x+7 b) x-7 c) 7+x d) 7-x 4) subtracted number from 20 is,,,,,,,,,,,,,,,,,,,,,, a) x-20 b) 20-2x c) 20-x d) 20x 5) the constant term in the algebraic expression 3x-7y-5xy-7 a) 3x b) -7y c) -5xy d) -7 6) y+y+y+y= a) 3x b) 4x c) 5x d) -3x 7) if the age of sama now is y years old then her age 10years ago is ,,,,,,,,,,,,, a) y+10 b) y-10 c) 10-y d) 10+y 8) if 3(x-1)=12 then 5x=..................... a) 5 b) 10 c) 20 d) 25 9) what is the mathematical formula for the area of square has no solution in N is ......... a) A= L4 b) A= L2 c) A=4+L d) A=4L 10) if 2x=6 then 4x+1=........................ a) 5 b) 25 c) 13 d) 30

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