math

what does x= to 4-2x=7x+13

add two x to both sides

4=9x+13
subtract 13 from both sides.
-9=9x
divide both sides by nine.



4-2x=7x+13

add 2x to both sides

4-2x + 2x =7x+13 + 2x

4 = 9x + 13

add -13 to both sides

4 - 13 = 9x + 13 - 13
-9 = 9x

divide both sides by 9

-1 =x

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asked by angel

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