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Mathematics 19 Online
OpenStudy (anonymous):

solve the system by addition,if the system is inconsistent and has no solution,state this .If the system is dependent,write the form pf the solution for any real number x. 5x-5y=45 -4x+4y=-36

OpenStudy (anonymous):

do this 4(eqn1)+5(eqn2)

OpenStudy (anonymous):

0=0 comes out so it has infinite solutions

OpenStudy (anonymous):

For matinees,a movie theater charges $7 per adult and $4 per child.if 84 people attended a matinee and paid a total of $432,How many adults and how many children were there .

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