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

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

User TechAurelian
by
7.1k points

2 Answers

4 votes
A) 5x + y = 9
B) 3x + 2y = 4 Multiplying equation A by -2 we get:

A) -10x + -2y = -18 Then adding that to B)
B) 3x + 2y = 4
-7x = -14
x = 2

A) 5 * 2 + y = 9
y = -1


User Gjaldon
by
7.8k points
1 vote

"(2,-1)". I just took the test.

User Halie
by
6.5k points
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