Question

respondam qual o valor de ?

x+2x=33 ?

2x=x+6

x-9=81

3x+1=10

3x=9

6x=42

27-x=4x+1

11x=121

256=16x

x=5+9

2x-x=18

x+x+x=9

4x-2x=18

x-x+2x=124

Answer 1

x+2x=33   
3x=33
x=11

2x=x+6
2x-x=6
x=3

x-9=81
x=81+9
x=90

3x+1=10
3x=10-1
3x=9
x=3

3x=9
x=3

6x=42
x= 7

27-x=4x+1
-x-4x=1-27
-5x=-26
x= 26/5

11x=121
x=11

256=16x
-16x=-256
-x= 16

x=5+9
x= 14

2x-x=18
x=18

x+x+x=9
3x=9
x=3

4x-2x=18
2x=18
x=9

x-x+2x=124
3x-x=124
2x=124x=62