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Find all solutions for 2y - 4x =2 y = 2x + 1 site:socratic.org

1 Answer

1 vote

Answer:

All real numbers would be the solution

Explanation:

2y - 4x =2 and y = 2x + 1

We solve but placing the value of y into the first equation:

2(2x + 1) - 4x = 2

Next we distribute the 2 through the parenthesis:

4x + 2 - 4x = 2

Now we gather like terms:

2 = 2 ( note the 4x and - 4x cancel out)

Since 2 =2 this tells us that all real numbers would work.

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