Question

A number is doubled and 25 is added to it. the result equals seven times the number plus 10__________​

Answer 1

Answer:

let the no be x

number is doubled = 2x

25 is added to that no = 2x+25

so ,

2x+25=7x+10

2x-7x=10-25

-5x=-15

5x=15

x=15/5

x=3

Answer 2

Step-by-step explanation:

=>2x + 25 = 7x + 10

=> 2x - 7x = 10 - 25

=> -5x = - 15

=> x = -15

-5

=> x = 3