algebra

brad wants to buy flowers for his friend with \$21. The daises are \$2 each and the roses are \$3 dollars each.He buys 3 more daisies then roses. how much did the roses cost?

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1. # or roses --- x
# of daisies -- x+3

solve for x

3x + 2(x+3) = 21

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2. 24

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