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What is the solution of the system y=9x-2 y=7x+3
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2 votes
What is the solution of the system y=9x-2 y=7x+3

User Geordee Naliyath
by
7.4k points

2 Answers

3 votes

Answer:

5/2 and 41/2

Explanation:

User Carloabelli
by
8.0k points
6 votes
The two equations are
y = 9x - 2
y = 7x + 3
We can use substitution to find the solution
9x - 2 = 7x + 3
9x - 7x = 3 + 2
2x = 5
x = 5/2

Substituting,
y = 9(5/2) - 2
y = 41/2

The solution is
(5/2, 41/2)
User Selvarathinam Vinoch
by
8.4k points
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