Resolver las siguientes ecuaciones:

Resolver las siguientes ecuaciones

1.- 7 (x+6) =5
(6) log 5 =log 7
log 0.6989=log .8450
log .8450/.6989=1.2090
1.2090/6=0.2015

2.-8 (2x-7) =3
(2x-7) log 3= log 8
log .4771=log .9030
.9030/.4771=1.8926
1.8926+7=8.8926
8.8926/2=4.4463

3.-4 (3x-5) =2
(3x-5) log 4=log 2
.6020=.3010
log 2/log 4
 .3010/.6020=.5+5=10.5/3
x=1.1666

4.-3 (½x-2)=.75
(½x-2)  log3=log .75
.4771=-0.1249
-0.1249/.4771=-0.2617
-0.2617+2=1.73831.7383/½=3.4766

5.- 9 (3/2x+½)=1.5
(3/2x+½) log 9=log 1.5
.9542=.1760
.1760/.9542=0.1844
0.1844-½=-0.3156
-0.3156/3/2=-0.1402

6.-.25 (3/2x)=.5
(3/2x) log .25=log.5
-.3010/-.6020=0.5
x=0.5/½=1

7.- 3.6 (1.7x)= .8
(1.7x) log 3.6=log .8
.5563=-0.0969
1.7x=-0.0969/.5563=-0.1741
-0.1741/1.7=-0.1024

8.-1.5 (3x) =2.5
(3x) log 1.5=log 2.5
0.1760=0.3979
3x= .3979/.1760=2.2607
2.2607/3=0.7535

9.-2.3 (5/2x) =5
(5/2) log 2.3=log 5
.3017=.6989
.6989/.3017=2.3165
x=2.3165/5/2=.9266

10.- 2 (7/3x) = 4/5
(7/3x) log 2 =log 4/5
.3010=-0.3219
-0.3219/7/3=-0.1379

11.- .8*=2.2
log .8=log 2.2
-0.0969=0.3424
x=0.3424/-0.0969
x=-3.5335

12.- .17*=.7
log .17=log .7
-0.7695=-0.1549
x=-0.1549/-0.7695=0.2012

13.- (3/2)* =3/2

14.- .56*=.97
log.56=log .97
-0.2518=0.0132
x=0.0132/-0.2518=-0.0524

15.-.8*=2.3
log .8=log 2.3
-0.0969=0.3617
x=0.3617/-0.0969=-3.7327

1.- 4 (3x+7-2x) =36
4 (1x+7) =36
log 4=log 36
.6020=1.5563
x= .15563/.6020=2.5852-=1.5852
1.5852/7=0.0323

2.- 3 (2/3x) =4
(2/3x) log 3=log 4
.4771=.6020
.6020/.4771=1.2617
1.2617/2/3=1.8925

3.-3.7 (2x-3+7x-1) =2
3.7 (1x+4)=4
log 3.7=log 2
.5682=.3010
x=.3010/.5682=.5297-1=-.4703
-.4703/4=-0.1175

4.-2.5 (1/2x) =.9
log 2.5=log .9
0.3979=-0.0457
-0.457/.3979=-0.1148
-0.1148/1/2=-0.2296

5.- 2 (7x-3-2x+6) =10
2 (5x+3) =10
log2=log 10
.3010=1
x=1/.3010=3.3222-3=0.3222
0.3222/5=0.01288

6.-3.2 (7x-3) =6
log 3.2=log6
.5051=.7781
.7781/.5051=1.5404+3=4.5404
4.5404/7=.6486

7.-5.7 (2/3x-7) =0.67
log 5.7=log 0.67
.7558=-0.1739
-0.1739/.7558=-0.2301+7=6.7698
0.7698÷2/3=10.1548

8.- 1.5 (6x-3) =4.7
(6x-3) log 1.5=log 4.7
.1760=.6720
.6720/.1760=3.818
3.818+3=6.8187
6.8187÷6=1.1364

9.- 4 (3x-7) =2.7
(3x-7) log 4=log 2.7
.6020=.4313
.4313/.6020=0.7164
.7164+7=7.7164
7.7164÷3=2.5721

10.- 2.3 (.5x-2) =.7
(.5x-2) log 2.3=log .7
.3617=-0.1549
-0.1549/.3617=-0.4282
-0.4282+2=1.5717
1.5717÷.5=3.1434