One number is 3 less than twice another. If their sum is 39, find the numbers.
Which of the following systems of equations represents the word problem?

y = 2x - 3 and y = x + 39 correct?

y = 2x - 3 and x + y = 39

y = 2(x - 3) and x + y = 39

Question

One number is 3 less than twice another. If their sum is 39, find the numbers. 
Which of the following systems of equations represents the word problem?

y = 2x - 3 and y = x + 39 correct?

y = 2x - 3 and x + y = 39

y = 2(x - 3) and x + y = 39

lucaz · Answer

twice is 2x, 3 less than is (  ) -3, so it's 2x-3
the system is the 2nd option
y=2x-3
x+y=39