Twelve times the sum of a number and seven is 324. What is the number?

1 Answer
Jun 26, 2018

20

Explanation:

Some number plus 7 multiplied by 12 is equal to 324

12*(x+7)=32412(x+7)=324

(12*(x+7))/color(red)12=324/color(red)1212(x+7)12=32412

x+7=27x+7=27

x+7-color(red)7=27-color(red)7x+77=277

x=20x=20