CUARTA TAREA 1ª4 ALGEBRA

ENCONTRAR EL VALOR DE x

1.- (5/3)+(4/3) = 2X

1.666 + 1.334 = 2x

3 = 2x

3/2 = x

1.5 = x

x = 1.5







2.- (6/7)(3/9) + 3X = 4 - (17/5)


0.857 + 0.334 + 3x = 4 - 3.4


1.191 + 3x = 0.6


3x = 0.6 - 1.191


3x = - 0.591


x = - 0.591 / 3


x = 0.197












3.- (23/3) + (16/9)X = 23X -12

7.666 + 1.777x = 23x - 12

7.666 + 12 = 23x - 1.777x

19.666 = 21.223x

19.666 / 21.223 = x

0.926 = x

x = 0.926







4.- 12X - 18 + (23/7) = (145/2) -4X


12x - 18 + 3.285 = 72.5 - 4x


12x - 4x = 72.5 + 18 - 3.285


16x = 87.215


x = 87.25 / 16


x = 5.450









5.- ((14/2)(15/9) / (125/25)) = 17/3 + (13/4)X

((7)(1.666)/5) = 5.666 + 3.25x

2.332 = 5.666 + 3.25x

2.332 - 5.666 = 3.25x

-3.334 = 3.25x

-3.334 / 3.25 = x

-1.025 = x

x = -1.025







6.- 22 -178 + 33/5 -16X = 147 + (248/16)X


22 -178 + 6.6 - 16x = 147 + 15.5x


- 149.4 - 16x = 147 + 15.5x


- 16x - 15.5x = 147 + 149.4


- 31.5x = 296.4


x = 296.4 / - 31.5


x = -9.409








7.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105

- 30 + 25x = 9.8 x - 5.767 - 2.123

25x - 9.8x = -5.767 - 2.123 + 30

15.2x = -37.89

x = -37.89 / 15.2

x = -2.492







8.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)


(6.428 / 7.615) + 28x = 13 +((0.208)(2))


0.844 + 28x = 13.416


28x = 13.416 - 0.844


28x = 12.572


x =12.572 / 28


x = 0.449








9.- 48/5 + (2/3)X = 1657 + 345

9.6 + 0.666x = 2002

0.666x = 2002 - 9.6

0.666x = 1992.4

x =1992.4 / 0.666

x = 2991.59







10.- (2)(-5)(-7)(-8)(9) + 257896 -1247 -5X = 951753 + 456


- 5040 + 256649 - 5x = 952209


251609 - 5x = 952209


- 5x = 952209 -251609


-5x = 700600


x = 700600 / -5


x = 140120