What is the number if the result it 212 less than seven times the number?

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The sum of negative four and five times a number is multiplied by three. The result is 212 less than 7 times the number. What is the number?

Jul 3rd, 2015

Thank you for the opportunity to help you with your question!

let suppose is x
so according to the given condition

3(-4+5*x) = 7*x-212

-12+15*x =7*x -212

15*x-7*x = 212+12

8 *x= 224

x= 224/8

x= 28 
so the number is 28

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Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 3rd, 2015

how you have more questions dear?

Jul 3rd, 2015

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