Question 476773
6xy=12x; x=1
y=12x/6x
y=2 
6*1*2=12*1
12=12
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4x+3y=0; x=-3
3y=-4x
y=-4x/3
y=-4*-3/3
y=12/3
y=4
4*-3+3*4=0
12-12=0
0=0