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Solving systems by substitution y=-7x

I was just wondering if anybody could explain to me the steps in 'solving systems in substitution' and 'solving systems in
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2. asked by Otoño
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Solving Systems Using Substitution Practice - Answers Only(solve the system using substitution) 1. (2, 6) 2. (8, 11) 3. (13, -5)
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2. asked by korinthia
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Solving Systems by Substitution-x - 6y=15 y = 6x +16
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Solving systems by substitutiony=-7x - 16 2x +8y = -20
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2. 64 views
Help with solving systems using substitution?
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2. asked by LadyPhantomhive
3. 1,005 views
Solving systems using substitution
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2. 192 views
What advantages does the method of substitution have over graphing for solving systems of equations?Choose the correct answer
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2. asked by zwgz123
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What advantages does the method of substitution have over graphing for solving systems of equationsA. When using the
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2. 156 views
I'm working on solving linear systems by substitution, here are the equations:4x+3=y and x=y-2 what is the sollution? and please
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2. asked by Anonymous
3. 677 views
What is the difference between elimination by addition and elimination by substitution methods when solving systems of
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2. asked by tiffanette
3. 1,221 views