6(3x+2)-5(6x-1)=3(x-8)-5(7x-6)+9x and verify it
x=?
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Step-by-step explanation:
The 21st term of an AP whose first two terms are – 3 and 4, is *
1 point
(a) 17
(b) 137
(c) 143
(d)-143
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Answer:
6(3x + 2) – 5(6x – 1) = 3(x – 8) – 5(7x – 6) + 9x 18x + 12 - 30x + 5 = 3x - 24 - 35x + 30 + 9x - 12x + 17 = - 23x + 6 - 12x + 23x = 6 - 17 11x = - 11 x = -11/11 x = -1
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