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sonja_lee2
Group Title
what is the xcoordinate of the solution of system of equations? 2xy=6
y=3x+19
 2 years ago
 2 years ago
sonja_lee2 Group Title
what is the xcoordinate of the solution of system of equations? 2xy=6 y=3x+19
 2 years ago
 2 years ago

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JayDS Group TitleBest ResponseYou've already chosen the best response.1
rearrange the equation of 2xy=6 into terms of y first.
 2 years ago

sonja_lee2 Group TitleBest ResponseYou've already chosen the best response.0
so y=2x+6?
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
2xy=6 (bring the y to the right hand side so + y on both sides) and also (bring the six to the left hand side by 6 on both sides) 2x6=y y=2x6
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
now, solve both equations
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
1) y=2x6 2) y=3x+19
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
tell me what you get for the x value afterwards.
 2 years ago

sonja_lee2 Group TitleBest ResponseYou've already chosen the best response.0
how though?
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
do you know how to solve for both equations?
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
okok, let me explain sonja, it's sonja right?
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
1) y=2x6 2) y=3x+19 we want to find the x value and to do this we have to get rid of the y value. Since we rearranged the first equation already in terms of y, we can directly solve for x now.
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
dw:1350442906070:dw
 2 years ago

JayDS Group TitleBest ResponseYou've already chosen the best response.1
yy= 0 2x3x becomes 2x+3x=5x 619=25 0=5x25 5x25=0 5x=25 x=25/5 x=5
 2 years ago
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