Question

1) Solve, and check by substitution if your
answer is correct.
(i) 2x - 9 = 11
(ii) 4x + 3 = 2x - 5
​

Answer 1

Answer:

(I) 2x-9=11

2x=11+9

2x=20

X=20/2

=10✓

Answer 2

Answer:

A. 2x =11+9

2x=20

x=10

4 x-2 x=-5-3

2x=-8

x=-4