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What is a possible first step to eliminate the variable x in the following system?
2x – 7y = 3
4x + 5y = –2
 one year ago
 one year ago
What is a possible first step to eliminate the variable x in the following system? 2x – 7y = 3 4x + 5y = –2
 one year ago
 one year ago

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DirectrixBest ResponseYou've already chosen the best response.0
Multiply each member of this equation by (2) and post the result here. Equation: 2x – 7y = 3
 one year ago

ryan.g.campbell.17Best ResponseYou've already chosen the best response.1
Top one by 2 :) 4x + 14y = 6 4x + 5y = 2 19y = 8 and you can work it from there :)
 one year ago

DirectrixBest ResponseYou've already chosen the best response.0
@ryan.g.campbell.17 > This question was for the Asker and not for your deus ex machina. Read the Code of Conduct. @raebaby420 Yes. The objective in the Addition/Subtraction method of solving simultanteous linear equations is to multiply by a number that will cause the coefficient of the variable you wish to eliminate to add out.
 one year ago

raebaby420Best ResponseYou've already chosen the best response.0
Ok.. so i think i understand it
 one year ago

raebaby420Best ResponseYou've already chosen the best response.0
Soo i just gotta single out my coefficient?
 one year ago

DirectrixBest ResponseYou've already chosen the best response.0
@raebaby420 Let's try another one. Same instructions. Answer? 3x + 4y = 7 3x  4y = 10
 one year ago

raebaby420Best ResponseYou've already chosen the best response.0
umm haha i have no clue.
 one year ago

raebaby420Best ResponseYou've already chosen the best response.0
whats the first step i have to complete?
 one year ago

DirectrixBest ResponseYou've already chosen the best response.0
Question: What added to 3x gives 0? (3x) + ? = 0 ? =
 one year ago
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