Question

7. Simplify the following expressions and find their values when x = 2:
(i) x + 7 + 4(x - 5) (ii) 3 (x + 2) + 5.x - 7
(iii) 6x + 5(x - 2) (iv) 4(2x - 1) + 3x + 11
8. Simplify the following expressions and find their values when a = -1, b = -2:
(1) 2a - 2b - 4-5 + a
(ii) 2(a2 + ab) + 3 - ab.​

Answer 1

Answer:

this is your of question 7

1 part and 3 part