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1.-(5/3)+(4/3)=2X
15+12/9=2X
3=2X
2X=-3X=-3/2
X=-1.5

2.-(6/3)(3/9)+3X=4-(17/5)
18/63+3X=4-3.4
6.28+3X=4-3.4
3X=4-3.4-0.28
3X=4-3.4-0.28
3X=-0.32
X=-0.32/3
X=-0.107

3.-(23/3)+(16/9)X=23X-12
7.6+1.7X=23X-12
9.3X=23X-12
13.7X=-12-13.7
X=-0.87

4.-12X-18+(23/7)=(145/2)-4X
12X-18+3.8=72.5-4X
12X+4X=18-3.8+72.5
16X=86.7
X=86.7/16
X=5.41

5.-((14/2)(15/9)/(125/25))=17/3+(13/4)X
210/18/125/25=17/3+(13/4)X
5.250/21250=17/3+(13/4)X
2.4=221/12X
2.4=18.4X
X=18.4-2.4
X=16

6.--22-178+33/5-16X=147+(248/16)X
-22-178+6.6-16X=147+15.5X
-22-178+6.6-147-15=16X+15.5X
200+6.6-147-15=16X+15.5X
200+6.6-147-15=16X+15.5X
44.5X=-44.5+14.5
X=-30

7)(2)(-3)(5)+25x=(147/15)x-248/43-223/105
(-6)(5)+25x=(147/15)x-248/43-223/105
(-30)+25x=(9.67)x-5.67-2.12
-2.12-5.76+(-30)=(9.67)x+25x
-7.88+(-30)=(9.67)x+25x
-37.88=34.67x
-37.88/34.67x=
x=-1.092


8)(45/7)/(198/26)+28x=13+(14/67)(22/111)
28x=13-3108/7437-1170/1386
28x=13-0.41-0.84
28x=12.59-0.84
28x=11.75
x=11.75/28
x=0.419


9)48/5+(2/3)x=1657+345
(0.67)x=1657-345-9.6
(0.67)x=1312-9.6
(0.67)x=1302.4
x=1302.4/0.67
x=1943.88

10.- (6/7)(3/4) + 3x = 4 -(17/5)
18/28+3x=4-3.6
0.6+3x=4-3.6
3x=4.3+4-0.6
3x=7.7
x=3/7.7
x=0.389