Question 135332
Y=3X/4+12 IF THIS IS A LINE EQUATION THEN:
{{{ graph( 300, 200, -6, 15, -10, 20, 3x/4 +12) }}} (graph 300x200 pixels, x from -6 to 15, y from -10 to 20, 3x/4 +12).
FOR SETS OF POINTS ONN THIS LINE SET X=TO ANY INTEGER & SOLVE FOR Y. 
THUS IF X=0 THEN Y=3*0/4+12=12 OR (0,12) IS ONE SET OF VALUES.
IF X=4 THE Y=3*4/4+12=12/4+12=3+12=15 OR (4,15)
---------------------------------------------------------
2x/3+1/2=2
2x/3=2-1/2
2x/3=3/2 now cross multiply
2*2x=3*3
4x=9
x=9/4 answer.