Solve the system algebraically. 3x - 2y - 1 = 0 y = 5x + 4 What is the solution? {(-9/7,-17/7)} {(9/7,17/7)} {(9/7,-17/7)}

asked Jul 27, 2018 136k views

2 votes

Solve the system algebraically.

3x - 2y - 1 = 0
y = 5x + 4

What is the solution?

{(-9/7,-17/7)}

{(9/7,17/7)}

{(9/7,-17/7)}

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1 vote

3x -2(5x + 4) - 1 = 0

3x - 10x -9 = 0

3x - 10x = 9

-7x = 9 x= 9/-7 x=-9/7

y = 5(-9/7) + 4

y= -17/7

The answer is A

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