1/4g - (-3)= -1 1/14, ¼g+3=-15/14, ¼g=-15/14-42/14=-57/14, g=-4(57/14)=-114/7.
-154/5= -33/5y + (-32/10), -308=-66y-32, 66y=276, y=276/66=46/11.
-1 1/4z - 1/6= 21/3, -(5/4)z-⅙=7, -15z-2=84, 15z=-86, z=-86/15.
-22/7=2/3v - (-5/7), -66=14v+15, 14v=-81, v=-81/14.
{(1) -4= - 3/10t-(-24/7), -280=-21t+240, 21t=520, t=520/21;
(2) -4=-3/10t+(-24/7), -280=-21t-240, 21t=40, t=40/21;
(3) -4=-3/10t(-24/7), -280=72t, t=-280/72=-35/9.}
k/1 1/4 + 8=28, 4k/5=20, k/5=5, k=25.
1 1/2 = 2 1/4h + (-3/4), 6=9h-3, 9h=9, h=1.