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Bess [88]
3 years ago
12

Dora spent $45 and has $32 left. Which equation can be used to calculate how much money Dora had at the beginning?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0
32+45 can be used to figure out the starting amount
vladimir2022 [97]3 years ago
5 0
$45 + $32 I believe -?   
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First realize that the coefficient of x is -1/3 and 1/3 which can be eliminated with addition

Adding the two equations together gets

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Simplify

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Substitute back into original equation

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Answer

x=6, y=-3

Check answer

-1/3(6)-4/3(-3) =?= 2

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                     2=2

Done!

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