Question

If 7x+15 = 50, then which of the following is the root of the equation

a)-5

b)5​

Answer 1

Answer:

$7x + 15 = 50 \\ 7x = 50 - 15 \\ 7x = 35 \\ \\ x = \frac{35}7 \\ \\ = 5 \\ ans = b$

see this is your answer mate

Answer 2

7x+15=50
7x=50-15
7x=35
x=35/7=5
Root of the equation = 5
Option b is correct