3 years ago

10) Solve using any method 10x+2y=42 5x+y=20

Mathematics

2 answers:

Aleonysh [2.5K]3 years ago

5 0

The answer is no solution! Using substitution, you come to 20 = -21, which is a false statement.

KIM [24]3 years ago

3 0

Answer:

no solutions

Step-by-step explanation:

10x+2y=42

5x+y=20

Multiply the second equation by -2 to use elimination

-2(5x+y)=20*-2

-10x -2y = -40

Add this to the first equation

10x+2y=42

-10x -2y = -40

--------------------------

0 = 2

This is never true. This means there are no solutions

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