Question

4. Find the value of the variable by trial and error method.
a) X – 6 = 15
b) x + 12 = 35
c) 3x = 16​

Answer 1

Answer:

a) x-6=15

x=15+6

21

b) x+12=35

x=35-12

=23

c) 3x=16

x=16-3

13

Answer 2

Answer:

a, x-6=15 b, x+12=35

Step-by-step explanation:

=15+6=21 =35-12=23

x=21 x=23