Question

सरल कीजिए 7+5-2x(7+89)-942 + (33:3+9x2-7): 11 =
(1) - 254
(2) - 225
(3) - 235
(4) 245




ans is (-225)​

Answer 1

Answer:

the answer of this question is 254

Answer 2

Answer:

We have, 2x – (7-5x) / 9x – (3+4x) = 7/6 (2x – 7 + 5x) / (9x – 3 – 4x) = 7/6 (7x – 7) /

(5x – 3) = 7/6

By cross-multiplying we get,

6(7x – 7) = 7(5x – 3)

42x – 42 = 35x – 21 42x – 35x = -21 + 42 7x = 21 x = 21/7 = 3

Now let us verify the given equation, 2x – (7-5x) / 9x – (3+4x) = 7/6 (7x – 7) /

(5x – 3) = 7/6

By substituting the value of ‘x’ we get, (7(3) -7) / (5(3) – 3) = 7/6 (21-7) / (15-3) = 7/6 14/12 =

7/6 7/6 = 7/6

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