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September 18, 2014

September 18, 2014

Posted by **Angie** on Tuesday, April 14, 2009 at 5:23pm.

a. $20

b. $10

c. $8

d. $4

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**Riley**, Tuesday, April 14, 2009 at 5:50pmset the two equations up as simlutaneous equations and solve by substitution.

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**Angie**, Tuesday, April 14, 2009 at 5:51pmwhat do you mean by simultaneous equations?

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**Riley**, Tuesday, April 14, 2009 at 5:56pmThe type of promblem you are dealing with is a set (in this case 2) simultaneous equations. You use the two equations TOGETHER to solve for x and y. Now do you get it?

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**Angie**, Tuesday, April 14, 2009 at 5:59pmbut how do you set it up as simultaneous equations?

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**Riley**, Tuesday, April 14, 2009 at 6:00pmread this it explains it. If you still don't understand I will be happy to help.

algebra-help.info/simultaneous-equations.php

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**Angie**, Tuesday, April 14, 2009 at 6:09pmwell, i got x=-8, so the answer should be c?

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**Riley**, Tuesday, April 14, 2009 at 8:17pmyep x=8

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**Miranda Cosgrove**, Tuesday, April 14, 2009 at 8:39pmI hate school. Sad. Cry. Puke. Sick. Rather be texting or acting on icarly or drake & josh.

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**Angie**, Tuesday, April 14, 2009 at 9:57pmthanks

- Math -
**Evan**, Monday, March 19, 2012 at 9:30pmHi

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