15/14 - (16/8)(-3/1)= -78/8
15/14 - -78/8= 120-1092/ 112 = -972/112 = -8.67
2) 15 - 17 + 33x -9x= x=5
-2 + 33(5) -9(5)=
-2 + 165 - 45 = 118
3) ((9/5)(5/8))x + (2/3)x + 54= x=-4
(45/40)(-4/1) + (2/3)(-4/1) + 54=
-180/40 + -8/3 +54=
540+320/120= 860/120
860/120= 7.1
7.1 + 54 = 61.1
4) (18/7) / ((17/5)(8/9))x + 19= x=2
(18/7) / (17/5)(8/9)= 136/45x + 19
(136/45)(2/1)= 272/45 + 19 =
(18/7)/(272/45)= 810/1904 = 0.4 + 19
0.4 + 19= 19.4
5) (22/16) -17/9 + 33x - 67 - 6x= x= -2
(22/16)-(17/9) = 198 - 272/144= 74/144
74/144 + 33(-2) - 67 - 6(-2)=
0.5 + -66 - 67 - -12= -120.5
6) 23x - 185x + 215x - 13 + 44= x=7
161 - 1106 + 1505 - 13 + 44 = 591
7) 42/15 + 33/9 - 28x = x=8
378 + 495 /135 = 873/135 = 6.4
6.4 - 28 (8) = 224
6.4 - 224 = 217.6
8) (25/4)(6/9) + 1/2 -16x - 89 + 46= x= -5
(25/4)(6/9)= 150/36 + 1/2 = 300 + 36/72 = 336 / 72 =4.6
336/72 - 16(-5) - 89 + 46 =
4.6 - -80 - 89 + 46=121.6
9) ((24/5)/(19/7))x + 13x - 157x + 79= x= 7
(24/5)/(9/7)= 168/45 x + 13 - 157(7) + 79
(168/45)(7/1)= 1176/45 + 13 - 164 + 79=
26.1 + 13 - 164 + 79 = - 45.9
10) ((156/37)/(456/89))x +23x-179= x= 0
(156/37)/(456/89)= 13884/16872x + 23x - 179=
13884/16872(0)= 0 + 23(0) - 179=
0 + 0 -179= -179
