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Mathematics 11 Online
OpenStudy (anonymous):

solve the system by addition method: 2x-3y=-9 5x+2y=-13

OpenStudy (anonymous):

Multiply first equation by 2 and second equation by 3. Then add the equations to get an equation only in x. Solve for x. Then substitute value of x in one of the equations to find the value of y.

OpenStudy (anonymous):

x=-3, y= 1 ?

OpenStudy (anonymous):

You can practice interactive problems like this on http://www.saab.org/mathdrills/lineq.cgi

OpenStudy (anonymous):

thks

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