SOLUTION: i need help solving this equation by substitution or elimination method 2x=3y-7 3x-4y=-9

SOLUTION: i need help solving this equation by substitution or elimination method 2x=3y-7 3x-4y=-9

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Question 424954: i need help solving this equation by substitution or elimination method
2x=3y-7
3x-4y=-9
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
2x-3y=-7 .............1
3x-4y=-9 .............2

multiply (1)by -4
Multiply (2) by 3
-8x+12y=28
9x-12y=-27

Add the two equations

x=1
plug value of x in (1)

2x-3y=-7
2-3y=-7
-3y=-7-2
-3y=-9
y=3
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