4. An integer divided by (-7) gives 9. Find the integer.
5. Give one example of the distributive property of multiplication over subtraction.
5. Find the integer which when multiplied with (-1) gives (-25).
7. Determine the integer which when divided by (-1) gives (-47).
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4. Let, the unknown integer be = x
ATQ, = 9
x= 9 × (-7)
x= -63
5. Distributive property of multiplication over subtraction
Distributive property of multiplication over subtraction lets us simplify expressions in which we are multiplying a number by the difference of two other numbers.
The property states that the product of a number and the difference between two other numbers is equal to the difference of the products.
More clearly,
a(x - y ) = a(x) - a(y)
For example: 7(10 - 3) = 7(10) - 7(3)
=> 7 × 7 = 70 - 21
49 = 49
6. = -25
x= -25 × -1
x = 25
7. = -47
x = -47 × -1
x= 47
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