Question

6. Simplify the expressions and find the value ifx is equal to 2
(i) x + 7 + 4 (x - 5)
(ii) 3 (x + 2) + 5x – 7
(i) 6x + 5 (x - 2)
(iv) 4(2x – 1) + 3x + 11please answer this question by the process algebraic expression sabse hard chapter lgta hai mujhe ye smjh nhi aa raha muhje​

Answer 1

(i) x + 7 + 4 (x - 5)

= x + 7 + 4x - 20

= 5x -13

= 5(2) - 13

= 10 - 13

= -3

(ii) 3 (x + 2) + 5x – 7

= 3x + 6 + 5x - 7

= 8x - 1

= 8(2) - 1

= 16 - 1

= 15

(iii) 6x + 5 (x - 2)

= 6x + 5x - 10

= 11x - 10

= 11(2) - 10

= 22 - 10

= 12

(iv) 4(2x – 1) + 3x + 11

= 8x - 4 + 3x + 11

= 11x + 7

= 11(2) + 7

= 22 + 7

= 29

Answer 2

Answer:

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