Q 1: 50 reduced by some number gives 45. x = 50 - 45 50 - x = 45 45 - x = 50 x - 50 = 45

Q 2: 4x^{6}, here the variable is _____. x 4 6

Q 3: y + 10 = 25 Harry is 10 years. In 10 years he will be 25 years old. Eric will be 25 in 1 years. Jack is y years old. In ten years she will be twenty-five years old.

Q 4: 5x/6 = 50 then x = ? 50 70 60

Q 5: Solve the system by the method of substitution
2x – 3y = –2
4x + y = 24
(5,4) (2,5) inconsistant (4,2)

Q 6: (-x/2) = -10 22 20 21

Q 7: 8 more than y. y-8 y+8 8y

Q 8: The letters that are used to represent numbers are called Literal Numbers or Variables Numbers Constants Integers

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