1.- ((14/2)(15/7)) / ((256/14)(357/19)) +35x = 753951 + 456852 – 852963=

(210/14) / (91392/266) +35x= 753951 + 456852 - 852963

55860/1279488 +35x= 357840

-1223628 + 35x= 357890

-357890 -1223628= -35x

-865788=-35x

-865788/-35=x

247368=x




2.- 5/3 + 14/7 = 4x=

77/21 = 4x

3.6=4x

3.4 / 4=x

0.9= x


3.- 127/4 + 456/4 - 123/4 = 16x + 64/4=

508+1824/16= 2332 / 16 - 123/4 =9328-1968/64 =7360/64

7360/64 = 16x + 16

115=32x

115/32= x

3.5= x


4.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105=

30+25x=29.4x

-5.7 -2.15.7 + 2.1 + 30 = 29.4x -25x

37.8= 4.4x

37.8/4.4=x

8.5=x


5.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)=

1170/1386 28x = 13 + 3108/7437

0.8 + 28x = 13 + 0.4

-13 -0.4 +0.8 =-28x

-12.6=-28x

-12.6/-28=x

0.45=x


6.- 48/5 + (2/3)X = 1657 + 345=

144+10/15= 154/10

10.2x= 2002

x=2002/-10

x= -196


7.- (2)(-5)(-7)(-8)(9) + 257896 -1247 -5X = 951753 + 456=

-5040 + 257896 -1247 -5x= 952209

251609 - 5x= 952209

-5x=952209 - 251609

-5x= 700600

x= 700600/5

x= 140120


8.- 23/3 + (16/7)x = 23x -12=

161+48/21= 209/219.9x=23x-12

9.9x -23x= 12

-13.1x =12

x=12/13.1

x=0.9


9.- 12x - 18 + (23/7) = 145/24 - 4x=

12x - 18 +3.2 = 6.0 - 4x

- 18 +3.2 =6.0 -4x -12x

8.8= -16x

8.8/16= x

0.55=x



10.- (6/7)(3/4) + 3x = 4 -(17/5)

18/28 +3x =4 - 3.4

0.6 +3x = 4 - 3.4

3x= 4.3 + 4 - 0.6

3x=0