6x+3x=13.5 1.x+0.3x=24 8x-3x=21.05 7.7+3x=12.2
X=18/16/13 x+2x=90 9X=13.5 1.3X=24 5X=21.5 3X=90 3X=4.5
X=1.5 X=4.3 X=30 X=1.5
6x+3x=13.5 1.x+0.3x=24 8x-3x=21.05 7.7+3x=12.2
X=18/16/13 x+2x=90 9X=13.5 1.3X=24 5X=21.5 3X=90 3X=4.5
X=1.5 X=4.3 X=30 X=1.5