15. Two times a number is equal to the number increased by 7. What is the number? a)2 b) 5 c)6 d)7

Question

Please explain

Answer 1

2 times a number equals the number increased by seven

2x = x+7

2x-x = 7

x=7

the number is 7

check the answer

2x =x+7

substitute 7 for x

2(7)=14 = 7+7

d) is correct