Question

2. Solve the following equations by trial-and
-error method.
a) 4x - 7=9 b) 8y = 48
2m
c)
2
d) 2x - 5 = 5
7​

Answer 1

(a) 4x-7=9

4x=9+7

4x=16

x=16/4

x=4

b and c are based in a so I directly tell you the answer of question D

(d). 2x-5=5

2x=5+5

2x=10

x= 10/2

x=5