SOLUTION: 77 mathematics students are separated into two groups. The first group is 4 less than twice the second group how many students are in each group

Question 1091972: 77 mathematics students are separated into two groups. The first group is 4 less than twice the second group how many students are in each group
Found 2 solutions by Alan3354, greenestamps:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
77 mathematics students are separated into two groups. The first group is 4 less than twice the second group how many students are in each group
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Call them G1 & G2
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G1 + G2 = 77
G1 = 2*G2 - 4
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etc
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!

I find it easier in nearly all cases to solve a problem like this using a single variable instead of two.

So I would say
let x = number in second group
then 2x-4 = number in first group

Then since the total number of students is 77,

And it should be easy to solve from there....
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