Verify the following:
(i) 17 x {6 + (-2)} = (17 x 6) + {17 x (-2)}
Answers
Answer:
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Step-by-step explanation:
ANSWER:
(i) Let the required number be x.
So, five times the number will be 5x.
∴ 5x = 40
(ii) Let the required number be x.
So, when it is increased by 8, we get x + 8.
∴ x + 8 = 15
(iii) Let the required number be x.
So, when 25 exceeds the number, we get 25 − x.
∴ 25 − x = 7
(iv) Let the required number be x.
So, when the number exceeds 5, we get x − 5.
∴ x − 5 = 3
(v) Let the required number be x.
So, thrice the number will be 3x.
∴ 3x − 5 = 16
(vi) Let the required number be x.
So, 12 subtracted from the number will be x − 12.
∴ x − 12 = 24
(vii) Let the required number be x.
So, twice the number will be 2x.
∴ 19 − 2x = 11
(viii) Let the required number be x.
So, the number when divided by 8 will be x8.
∴ x8 = 7
(ix) Let the required number be x.
So, four times the number will be 4x.
∴ 4x − 3 = 17
(x) Let the required number be x.
So, 6 times the number will be 6x.
∴ 6x = x + 5
Answer:
17×{-12}={102}+{-34}
-204=68
=68+204
=272