a)x-3y+5=4x+8y-1
3x+11y=6
b)2x+3+5y=6+x+8y
3x-3y=3 (:3)
x-y=1
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Answers & Comments
a)x-3y+5=4x+8y-1
3x+11y=6
b)2x+3+5y=6+x+8y
3x-3y=3 (:3)
x-y=1