SOLUTION: ISBN-0-07-873823-7 one number is 12 less than three times another number. their sum is 188. write two equations that would be used to solve the system.

Question 122861: ISBN-0-07-873823-7

one number is 12 less than three times another number. their sum is 188. write two equations that would be used to solve the system.
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
You don't need 2 equations for this one. 1 equation will do.
letx be 1 number & (3x-12) for the other number.
x+(3x-12)=188
4x=188+12
4x=200
x=200/4
x=50 answer.
proof
50+3*50-12=188
50+150-12=188
200-12=188
188=188

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