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Answer variants:
234x+156y+-107=0
234x−156y−-107=0
234x−156y+-107=0
234x+156y−-107=0
Find the equation of the straight line through the intersection of the lines 9x−2y+4=0 and 3x+8y+9=0 and perpendicular to the line 6x+4y+6=0.
 
Answer:
 
The equation of the straight line is
.