there are 90 sixth-graders and 75 seventh graders and 15 groups how many students are in each group of their grade level be in t
2 answers:
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4x - 2y = 22
Start by adding 2y to both sides to cancel out the -2y
4x = 22 + 2y
Now you can divide by 4
x = 22/4 + 2y/4
Reduce all the fractions to get your answer, which is