help in algebra??!?!

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help in algebra??!?!

Mathematics
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7-(X+1)=9-(2X-1)
6-X=10-2X Add (2 X-6) to both sides: X=4
i didnt understand :S

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Other answers:

well bascially combine the like terms leave the x for now and add all the numbers together
on our right side we get 6-x and left side we get 10-2x
but how 6-x? isnt it 6X-6?
i mean 6x+6
lets start with right side move the negative (-) sign into the (pathenses)
what do you get?
7x-10?
|dw:1347529396345:dw|
do you get it? we move the negative sign in the outside and factored it into (2x-1) there fore 9-2x+1 and 9+1 = 10 so -2x+10
do the same thing for the left side also
ok
@sarah_98 are you getting it?
7-(X+1)=9-(2X-1) 7-x-1=9-2x+1 7-1-x=9+1-2x 6-x=10-2x 2x-x=10-6 x=4 do u understand?
7-(x+1)=9-(2x-1) 7-x-1=9-2x+1 6-x=10-2x so, x=4

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