Question 482426
x+2y=8
change to
x=-2y+8
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-5x+3y=12
-5(-2y+8)+3y=12
10y-40+3y=12
13y=52
y=4
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-5x+3*4=12
-5x+12=12
-5x=12-12
x=0
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x+2y=8
0+2*4=8
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Does that help?
Bob