CUARTA TAREA 1ª5 ALGEBRA

1.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105
-30+25x=9.8x-5.76-2.12
25x-9.8x=-5.76-2.12+30
15.2x=22.12
x=22.12/15.2
x=1.45

2.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)
(6.42)/(7.61)+28x=13+(0.20)(2)
0.84+28x=13+0.4
28x=13+0.4-0.84
28x=13.4-0.84
28x=12.56
x=12.56/28
x=0.448

3.- 48/5 + (2/3)X = 1657 + 345
9.6+0.66x=1657+345
0.66x=1657+345-9.6
0.66x=2002-9.6
0.66x=1992.4
x=1992.4/0.66
x=3018.78

4.- (2)(-5)(-7)(-8)(9) + 257896 -1247 -5X = 951753 + 456
-5040+257896-1247-5x=951753+456
-5x=951753+456+5040-257896+1247
-5x=952209+5040-257896+1247
-5x=957249-257896+1247
-5x=699353+1247
-5x=700600
x=700600/-5
x=-140120

5.- (5/3)+(4/3) = 2X
1.6+1.3=2x
2.9=2x
x=2.9/2
x=1.45

6.- (6/7)(3/9) + 3X = 4 - (17/5)
(0.85)(0.33)+3x=4-3.4
0.2805+3x=4-3.4
3x=4-3.4-0.2805
3x=0.6-0.2805
3x=0.3195
x=0.3195/3
x=1065

7.- (23/3) + (16/9)X = 23X -12
7.66+1.77x=23x-12
1.77x-23x=-12-7.66
-21.23x=-19.66
x=-19.66/-21.23
x=0.926

8.- 12X - 18 + (23/7) = (145/2) -4X
12x - 18 + 3.28= 72.5 - 4x
12x + 4x=72.5 + 18 - 3.28
16x= 90.5 - 3.28
16x= 87.22
x=87.22/16
x=5.45

9.- ((14/2)(15/9) / (125/25)) = 17/3 + (13/4)X
((7)(1.66)/(5))= 17/3 + 3.25x
(11.62)/(5)= 5.66 + 3.25x
2.324=5.66+3.25x
2.324-5.66=3.25x
-3.336=3.25x
x=-3.336/3.25
x=-1.02

10.- 22 -178 + 33/5 -16X = 147 + (248/16)X
22-178+6.6-16x=147+15.5x
-16x-15.5x=147-22+178-6.6
-31x=125+178-6.6
-31x=303-6.6
-31x=296.4
x=296.4/-31
x=-9.56

11.- 951357 -456258 + (22/16)X = 145X -654852 +123987
951357 -456258 +1.375x=145x-654852 +123987
1.375x-145x=-654852 +123987-951357 +456258
-143.625x=-530865-951357 +456258
-143.625x=-1482222+456258
-143.625x=-1025964
x=-1025964/-143.625
x=7143.3524