Question

i) x +(x +9)=15

(x = 3)​

Answer 1

Step-by-step explanation:

zero is the answer to this question

Answer 2

Answer:

Step-by-step explanation:

x + (x + 9) = 15

given

x = 3

therefore

3 + (3 + 9) = 15

15 = 15

lhs = rhs

hence proved.

hope it helps you

pleae mark me as brainliest

thanks