SOLUTION: john's age is 3 less than three times marc's age the sum of their ages is 57 write a system of equation that relate their age

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Question 1106086: john's age is 3 less than three times marc's age the sum of their ages is 57 write a system of equation that relate their age
Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
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This system is

J = 3*M - 3,     (1)
J + M = 57.      (2)


Or, if you want to write it in the standard form,

J - 3M = -3,
J  + M = 57.