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OpenStudy (anonymous):
2x+y=46 y=x+4 solve equation
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OpenStudy (blurbendy):
well we know that y = x+4, so let's put that into the first equation 2x + _________ = 46 fill in the blank with what you know
OpenStudy (anonymous):
2x+y=46 y=x+4 2x+y=46 -2x+2y=8 ---------- 3y=54 y=18 18=x+4 -4 x= 14 (14, 18)
OpenStudy (sk8rgirl12):
It's trial and error. It's not 9. It's not 10 Not 11, or 12, nor 13. I agree with Haiqa. x=14, y=18
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