SOLUTION: Multiply the equations to generate opposite terms, then add the equations to solve for x and y. 2x + 5y = -6 3x - y = -9

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Question 1158554: Multiply the equations to generate opposite terms, then add the equations to solve for x and y.
2x + 5y = -6
3x - y = -9
Found 2 solutions by ikleyn, Boreal:
Answer by ikleyn(52783) About Me  (Show Source):
You can put this solution on YOUR website!
.

First multiply the second equation by 5 (both sides).

Keep the first equation as is.

Then add the equations (both sides).

Do as prescribed.



Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
2x+5y=-6
15x-5y=-45, multiplying the bottom by -5
add them
17x=-51
x=-3
y=0
(-3, 0)