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Mathematics 18 Online
OpenStudy (anonymous):

4x+2y=-7, -5x-3y=6. what is the solution of the system

OpenStudy (shamim):

u can multiply 1st equation by 3 and multiply equation 2 by 2 and then add them.

OpenStudy (anonymous):

T o know the value of y multiply the first eq by the coefficient of x of second eq ie -5 and vice versa ie the second eq by 4 add both .... -5( 4x+2y=-7) 4(-5x+3y=6).

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