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For which system of equations would elimination be the simplest technique to choose?
y = 2x and x + 3y = 5
4x + 3y = 6 and 3y = 5
x + y = 7 and x  y = 12
3x  2y = 8 and 4x  5y = 20
 one year ago
 one year ago
For which system of equations would elimination be the simplest technique to choose? y = 2x and x + 3y = 5 4x + 3y = 6 and 3y = 5 x + y = 7 and x  y = 12 3x  2y = 8 and 4x  5y = 20
 one year ago
 one year ago

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tcarroll010Best ResponseYou've already chosen the best response.1
The first one is the simplest because you already have an expression for "y" defined. That is, "y" is all by itself on the left side.
 one year ago

tcarroll010Best ResponseYou've already chosen the best response.1
When solving the first system, you can take that expression for "y" and put it directly into the second equation: x + 3(2x) = 5
 one year ago

tcarroll010Best ResponseYou've already chosen the best response.1
You're welcome! Good luck to you in all of your studies and thx for the recognition! @EmmaH
 one year ago
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