solve the system of elmination method
5x+3y=-7
7x-2y=11

Question

solve the system of elmination method 
5x+3y=-7
7x-2y=11

anonymous · Answer

multiply the first equation by 2, the second by 3, then add

anonymous · Answer

$$10x+6y=-14$$
$$21x-6y=33$$
$$31x=19$$
$$x=\frac{19}{31}$$

anonymous · Answer

solve for x or y in either equation. let's use the first. 3y=-7 - 5x; thus, y = -7/3 -5/3x.
plug this into the second equation to get: 7x-2(-7/3-5/3x)=11, expand to get 7x+14/3+10/3x=11, simplifly and reduce to get x= 19/31, then just plug this back into the first equation to find the value of y.

anonymous · Answer

replace x by
$$\frac{19}{31}$$ in either equation to find y

anonymous · Answer

@tsizzle that method will of course work, but question said use "elimination"

anonymous · Answer

you will get 
$$y=-\frac{104}{31}$$

anonymous · Answer

yeah, my bad, wasn't really paying that much attention :/ haha, I'm watching tv at the same time and just solving pellet