02/25/13

Use addition or substitution to find the value of y for this set of equations. top line 2x - 3y = -15 bottom line x = 4y
Use addition or substitution to find the value of y for this set of equations. top line 2x - 3y = -15 bottom line x = 4y
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Expert Answers •2

02/25/13

Use + or - Mario earned three times as much money last year as his wife Elena. The total amount that the two earned was $11,000. How much money did Elena earn?
Use + or - Mario earned three times as much money last year as his wife Elena. The total amount that the two earned was $11,000. How much money did Elena earn?
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Expert Answers •2

02/25/13

Use addition or substitution to find the value of x for this set of equations.top line 4x + 13y = 40 bottom line 4x + 3y = -40
Use addition or substitution to find the value of x for this set of equations.top line 4x + 13y = 40 bottom line 4x + 3y = -40  
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Expert Answers •2

02/25/13

Use addition or substitution to find the value of x for this set of equations. top line x - y = 120 bpttom line x + y = 150
Use addition or substitution to find the value of x for this set of equations. top line x - y = 120 bpttom line x + y = 150
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Expert Answers •1

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