Solve the system by substitution
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Mathematics, 21.06.2019 17:00
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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Mathematics, 21.06.2019 17:30
The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?
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Mathematics, 21.06.2019 19:10
How many solutions does the nonlinear system of equations graphed below have?
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Mathematics, 21.06.2019 23:40
The function f(x)= -(x+5)(x+1) is down. what is the range of the function?
Answers: 3
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