Question 1183226
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Any line parallel to 3x+4y=12 has an equation of the form 3x+4y=C for some constant C.<br>
Since the point (1,2) is on the line,<br>
3x+4y = 3(1)+4(2) = 3+8 = 11<br>
So the equation is 3x+4y=11.<br>