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
dexter has a total of 50 red, blue and green straws if he has 20 red straws, what fraction of dexter's straws are red?
2 answers:
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