X=2y-1 3x-3y=9 a. substitution; (7,4) b. elimination using multiplication; (3, 2) C. substitution; (4,7) d. elimination using multiplication; -21,-10)

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asked Apr 22, 2021 210k views

1 Answer

Andrew Davis · Answer 1 · 2021-04-28T02:24:58+0000

Answer: Substitution (7,4)

Step-by-step explanation: Since the value of X is given to us, just plug that in to the other equation to solve for the y coordinate.