Question

Exercise 3.1
1) Solve, and check by substitution if your
answer is correct.
(i) 2x - 9 = 11
(ii) 4x + 3 = 2x - 5
(iii) -x + 24 =-3x - 20
Х
(iv) + 5 = x
2
3x + 4 – 2x = 6x – 8-3
(vi) 4x - 3= 2x - 1
1
(vii)
3
9
-3
(viii) a-8=
2.
1 2 5
(ix)
Х
3 6
(x) 4(1-p) = 3(p - 2)
(
X +6=
2​

Answer 1

Answer:

(i) 2x-9=11

2x=11+9

2x=20

x=20/2

x=10

Answer 2

Answer:

4x+3=2x-5 solve the asnwer