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13-06-2017
Mathematics

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4p+25=6(p-3)-3(4-3p)

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13-06-2017

p = 5 .............................................
this is how=

first you expand the second equation
25 + 4p = -18 + -12 + 6p + 9p

then you add the like terms in the second equation:
25 + 4p = -30 + 15p
then this is how=
25+30 = 15p -4p
55=11p

p= 5

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