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STALIN [3.7K]
3 years ago
11

Solve for x and y: x = 5 – 2y 4y = 15 - 2x

Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

No solution.

Step-by-step explanation:

So we have the system of equations:

x=5-2y\\4y=15-2x

We can solve this by substitution. Substitute the first equation into the second. Thus:

4y=15-2(5-2y)

Distribute the right:

4y=15-10+4y

Subtract 4y from both sides:

0=15-10

Subtract the right:

0=5

As you can see, this statement is not true. In other words, the system of equations have no solution (likely because the lines are parallel).

And we're done!

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