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Solve the system of equations. 5x + y = 9 3x + 2y = 4

Solve the system of equations. 5x + y = 9 3x + 2y = 4
81.1k views
5 votes
Solve the system of equations.

5x + y = 9
3x + 2y = 4

User Chan Yung Keat
by
7.8k points

1 Answer

5 votes
y=-5x+9

3x+2(-5x+9)=4
3x-10x+18=4
-7x=4-18
-7x=-14
x=2

5(2)+y=9
10+y=9
y=9-10
y=-1

The answer is (2,-1) :)
User DonJ
by
8.9k points
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