210k views
15 votes
7 times a number is 30 greater than the sum of twice the number and five

2 Answers

6 votes

Answer:

x=8

Explanation:

7 X = 30 + 2(x + 5)

7x = 30 + 2x + 10

7x = 40 + 2x

7x - 2x = 40 + 2x -2x

5x = 40

x=8

User Naheed Shareef
by
3.5k points
8 votes

Answer:

7 X = 30 + 2(x + 5)

7x = 30 + 2x + 10

7x = 40 + 2x

7x - 2x = 40 + 2x -2x

5x = 40

x=8

User ThatGuyInIT
by
3.7k points