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aye4angela
 2 years ago
I think its substitution..
3x  y = 1
x + y = 7
aye4angela
 2 years ago
I think its substitution.. 3x  y = 1 x + y = 7

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apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1Add the equations together: 3x  y + x + y = 1 + 7 4x = 8 x = 2 Now substitute x = 2 into whichever equation (2 is easier) 2 + y = 7 y = 5 So x = 2, y = 5

aye4angela
 2 years ago
Best ResponseYou've already chosen the best response.0Ohkay that's what i got. ^^ just wanted to make sure.

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1Sure thing. If you want to make sure, just substitute your x and y into both equations and see if they work

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1Oh yeah. You may want to close this question ;D
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