Madeline F.
asked • 12/16/18
Use elimination to solve:3x+2y=1,4x+3y=-2
Carol H.
answered • 12/16/18
Experienced Mathematics Tutor w/ Master's Degree in Math
3(3x + 2y = 1)
9x + 6y = 3 eq. #1
-2(4x + 3y) = -2
-8x -6y = 4 eq. #2 Add equations #1 and #2.
9x + 6y = 3
x = 7
3(7) + 2y = 1
21 + 2y = 1
2y = -20
y = -10
(7,-10)
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