Question

-2x=-4x+20

Answer 1

isolate the variable to one side:
-2x=-4x+20
2x=20
solve for x by dividing 20 by 2:
x=10

Answer 2

CAN U HELP ME SOME MORE

Answer 3

heh okay.

Answer 4

7X - 20 = -3X

Answer 5

7X - 20 = -3X
7x+3x -20 = 0
10x=20
x=2

Answer 6

HOW BOUT 7x = 4x - 9

Answer 7

7x = 4x - 9
3x=-9
x=-3

Answer 8

-8x - 70 = 2x

Answer 9

-8x - 70 = 2x
-70=10x
-7=x

x=-7

Answer 10

8x - 3 = 8x

Answer 11

8x - 3 = 8x
-3=0
no solution

Answer 12

well technically there's a term for that though

Answer 13

it's not identity... i can't recall what's that called.

Answer 14

haha

Answer 15

3(x-1)= 3x - 3

Answer 16

3(x-1)= 3x-3
3x-3=3x-3
3x=3x
x=x
identity

Answer 17

wats ur name! jw

Answer 18

?

Answer 19

ah sorry, it's foo. :P

Answer 20

2x + 3 = 4x +5

Answer 21

2x + 3 = 4x +5
2x=4x+2
-2x=2
x=-2

Answer 22

-3x - 4 = 4x + 10

Answer 23

-3x - 4 = 4x + 10
-7x=14
x=-2

Answer 24

8x - 3 = 19 + 5x

Answer 25

8x - 3 = 19 + 5x
3x=22
x=(22/3)

Answer 26

1/3x = 7 - 2/3x

Answer 27

1/3x = 7 - 2/3x
1/3x + 2/3x = 7
3/3x = 7
x=7

Answer 28

hmm, sadly enough i have to go in like a minute, you can email me if you need more help @ foobaka@hotmail.com [library is closing lol in 4.5 minutes] =P

Answer 29

hhahah ok>

Answer 30

1/4x + 3 = -1/4 x

Answer 31

last one

Answer 32

1/4x + 3 = -1/4 x
-6=x

i think! you might have to double check that. strangely enough having issues with fractions lol

Answer 33

but yeah, g'bye! =P

Answer 34

bye