Use the substitution method to solve the system of equations. Choose the correct ordered pair. 3x - y = 7 2x - 2y = 2 A. (2,-2) B. (2,2) C. (3,-1) D. (3,2)

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asked Apr 9, 2021 124k views

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Ahmed Balti · Answer 1 · 2021-04-15T16:22:24+0000

3x - y = 7
-> y = 3x - 7
2x - 2y = 2
Use the substitution method
2x - 2 ( 3x - 7 )=2
2x - 6x + 14 =2
-4x = 2-14
X = -12/-4
X = 3
Sub x = 3 into the eq y= 3x - 7
Y= 3*3-7
Y = 2 so the answer is D

Use the substitution method to solve the system of equations. Choose the correct ordered pair. 3x - y = 7 2x - 2y = 2 A. (2,-2) B. (2,2) C. (3,-1) D. (3,2)

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