x-2y=0
x-5y=-6
4/e-3=5
$30^{1รท4}$
2x +5y-9=0 and 3x-y -5=0 solve for x and y
13+N-(b)-1.962=0
na=nb*m
13*0.6-(a)*0.9-n*0.9=0
2333110
10318012
13402605
3x+y=11
3x-2y=-4
13+nb-(b)-1.962=0
13*0.6-(a)*0.9-na*0.9=0
find the prime factor of 69 by division formula
5-2.(-3)