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2x + y = 7

5x + y = 9
Solve the system of equations.
A.(2/3, 25/3)
B.2/3, 1773)
C.(2/3, 25/3)

User Hanane
by
4.0k points

2 Answers

2 votes
i also got (2/3, 17/3)
User Ethanhs
by
4.7k points
4 votes

Answer:

2/3,17/3

Explanation:

y=7-2x

now,

5x+y=9

5x+(7-2x)=9

5x+7-2x=9

3x=2

x=2/3

again;

putting value of x in eqn i

y=7-2x

=7-2x2/3

=7-4/3

17/3

User Thomas Jungblut
by
4.5k points