Q 1: Thirty is twice a number increased by six. 30 + 2a = 6 30 - 6 = 2a 2a - 6 = 30 30 = 2a + 6

Q 2: 15x + 15y = 10 One Variable Linear Equation Two Variable Linear Equation Non-linear Equation

Q 3: Doug has 16 playing cards. d =16 d > 16 d < 16

Q 4: Some number divided into 50 parts gives 5. 50x = 5 x - 50 = 5 50/x = 5 x/50 = 5

Q 5: Twenty two is sixteen less than four times a number. 22 - 4x = 16 22 - 4 = 6x 22 - 16 = x 22 = 4x - 16

Q 6: Divide 9 into two parts so that thrice the smaller number is equal to twice the larger number plus 2. Find the numbers. (Hint: Let x be the smaller number. Then the larger number is 9-x. The equation can be written as 3(x) = 2 (9-x) + 2. Find x and 9-x) 7 and 5 4 and 5 4 and 6

Q 7: 2^{3} + 3 = 11 True False

Q 8: 7 - 5 = 2^{1} False True

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