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Part 1: Decide whether you would use the graphing, substitution, or elimination method to solve the following system of equations. Explain, in complete sentences, why you chose that method.
Part 2: Solve the following system of equations and show all of your work.
2x + 5y = −3
−15x − 5y = −10
 one year ago
 one year ago
Part 1: Decide whether you would use the graphing, substitution, or elimination method to solve the following system of equations. Explain, in complete sentences, why you chose that method. Part 2: Solve the following system of equations and show all of your work. 2x + 5y = −3 −15x − 5y = −10
 one year ago
 one year ago

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cinarBest ResponseYou've already chosen the best response.0
sum both side, what you get..
 one year ago

alrightatmathsBest ResponseYou've already chosen the best response.0
I agree. Use elimination. If you just add the two equation together, the 5y and +5y cancel out and leaves you with only xs.
 one year ago

alrightatmathsBest ResponseYou've already chosen the best response.0
So you'd have 13x = 13 so x = 1
 one year ago

SolmyrBest ResponseYou've already chosen the best response.0
but why do u chose elimination
 one year ago

alrightatmathsBest ResponseYou've already chosen the best response.0
Because it's quick and easy and gets rid of the ys straight away so you can quickly solve for x.
 one year ago

SolmyrBest ResponseYou've already chosen the best response.0
ok now can you help me go step by step with the rest?
 one year ago
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