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5 1
11.
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12.
2 2 2एक्स बाय टू माइनस 5 बाय टू इज इक्वल टू वन बाय टू हाउ टू सॉल्व
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x − 7 = 1. x = 8. -. (vi). 5x = 25. x = 0. -. (vii). 5x = 25. x = 5. -. (viii). 5x = 25. x = − 5. -. (ix) ... Therefore, n = −2 is not a solution of the given equation, 7n + 5 = 19. (c) 7n + 5 ... l = 14. (b). Multiplying both sides of the given equation by 2, we obtain. b = 12. (c) ... (d) When I subtracted 11 from twice a number, the result was 15.
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