Algebra...

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This is dividing Rational Numbers....
I forgot how to do this...


22x + 10 / 2


45 - 5x / 5


-15 + 21a / -3


I forgot how to do this seriously..

  • Algebra... -

    you divide each term, for instance on the last...

    (-15+21a)/-3=

    -15/-3 + 21a/-3

    5 -7a

  • Algebra... -

    But how do you get the (-) minus sign from the (+) addition sign...????

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