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Use the substitution method to solve the following system of equations. 4x – y = 3 7x – 9y = –2
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3 votes
Use the substitution method to solve the following system of equations.

4x – y = 3
7x – 9y = –2

User JJAN
by
6.2k points

1 Answer

1 vote
(4x - y = 3) * 9
36x - 9y = 27

7x - 9y = -2

29x = 29
x = 1

y = 4*1 - 3
y = 1
User Anthony Poon
by
6.9k points
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