Question

10. The value of x + 7+ 4(x- 5) for x=2
(b) 31
(a) -3
(c) 12
(d) 37
11. The value of expression 2a-2b-4-5 + a at a=1, b=-2
(b) -2
(a) 10
(d)4
(c) 12
12. What must be subtracted from 2a + b to get 2a - b
(a) 2b
(b) 4a
(c) 0
(d) 4a+4b
13. What must be added to 3x + y to get 2x + 3y
(d) x+2y
(a) 5x +4y
(b) -x + 2y
(c) x -2y​

Answer 1

Answer:

1( b)

2( b)

I know this much only

Answer 2

Answer:

10. The value of x + 7+ 4(x- 5) for x=2

(b) 31

(a) -3

(c) 12

(d) 37

11. The value of expression 2a-2b-4-5 + a at a=1, b=-2

(b) -2

(a) 10

(d)4

(c) 12