SOLUTION: use elimination to solve each system of equations. 2.4x+y=-9 4x+2y=-10

Question 250837: use elimination to solve each system of equations.
2.4x+y=-9
4x+2y=-10
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
Here are the original equations:
(i)
(ii)
To eliminate means some kind of multiplication and then add down to get rid of a variable. So, let's multiply the first equation by -1.
(iii)
(iv)
adding down gives us
(v)
substitute this back into (i) to get x.
.
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