Solve the Equation System: 2x - 2y = 10 and 4x - 4y = 32

2x2y=10 2x-2y=10

4x4y=32 4x-4y=32

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Step-by-step video solution

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00:00 Solve
00:03 Let's multiply one of the equations by 2, so we can subtract between them
00:19 Now let's subtract between the equations
00:33 Let's collect like terms
00:46 We got an illogical expression, therefore there is no solution
00:56 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

2x2y=10 2x-2y=10

4x4y=32 4x-4y=32

2

Step-by-step solution

We start by analyzing the given system of equations:

The first equation is 2x2y=10 2x - 2y = 10 .

The second equation is 4x4y=32 4x - 4y = 32 .

To determine the relationship between these two lines, let's simplify both equations.

1. Simplify the first equation:
Divide every term by 2:
xy=5 x - y = 5 .

2. Simplify the second equation:
Divide every term by 4:
xy=8 x - y = 8 .

Notice that after simplification, we have:

  • First equation: xy=5 x - y = 5
  • Second equation: xy=8 x - y = 8

Upon comparison, both equations simplify to lines with the same slope but different intercepts. Therefore, they represent two parallel lines that do not intersect.

Consequently, the system of equations has no solution since parallel lines never meet.

Therefore, the correct answer is: No solution.

3

Final Answer

No solution

Practice Quiz

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\( \begin{cases} x+y=8 \\ x-y=6 \end{cases} \)

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