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Solve 5x+2y=7 10x+4y=14
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4 votes
Solve 5x+2y=7
10x+4y=14

User Tomlogic
by
8.2k points

1 Answer

7 votes

Solve for x in 5x + 2y = 7

x = 7 - 2y/5

Substitute x = 7 - 2y/5 into 10x + 4y = 14

14 = 14

Considering 14 = 14 is redundant information, this is a dependent system.

There are infinitely many solutions.

User Chrisdot
by
7.9k points
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