Which value, when placed in the box

Algebra
Tutor: None Selected Time limit: 1 Day

Jun 24th, 2015

Thank you for the opportunity to help you with your question!

You get infinite number of solutions if both equations represent the same line.

y = 2x-5 

subtracting 2x from both sides

y-2x = 2x-2x-5

y-2x=-5                             ---1

2y-4x = -----               --------2

Equation 1 can be multiplied by 2 to look like the second equation

2y - 4x = -10             ---------1

2y - 4x = ---------       ----------2

When we compare both equations we can see that -10 goes in the box 

Choice A

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Jun 24th, 2015

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