Question

Check whether x = 2 is a solution of the equation 7x +5=9 b) Solve: 2 (x+4) = 20​

Answer 1

Answer:

12:18 and 28:12

18

12

and

12

28

=

3

2

and

3

7

No the given two ratios don't form proportion.

Answer 2

Answer:

check whether the 2 who is the Zero of the polynomial by putting X is equals to 2 it became zero

Step-by-step explanation:

7x+ 5 = 9

x= 4/7

but not equals to 2 in this case

x=4/7

not equal to 2

b) 2 (x+4) = 20

x+4 =10

x= 6