Problema Solution
janice is thinking of two numbers she says that two times the first number plus the second number is 42. in addition the first number plus three times the secomd number is 51
Answer provided by our tutors
let the numbers be
x = the first number
y = the second number
that two times the first number plus the second number is 42
2x + y = 42
the first number plus three times the second number is 51
x + 3y = 51
by solving the system of equations
2x + y = 42
x + 3y = 51
we find
x = 15
y = 12
click here to see the step by step solution of the system of equations
the numbers are 15 and 12.