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Mathematics 23 Online
OpenStudy (anonymous):

Help please.

OpenStudy (anonymous):

A system of equations is shown below: 5x - 5y = 10 3x - 2y = 2 Part A: Create an equivalent system of equations by replacing one equation with the sum of that equation and a multiple of the other. Show the steps to do this. (6 points) Part B: Show that the equivalent system has the same solution as the original system of equations. (4 points)

OpenStudy (anonymous):

@Nnesha

OpenStudy (anonymous):

I don't understand that part A is asking exactly

Nnesha (nnesha):

`replacing one equation with the sum of that equation and a multiple of the other.` first you need to find sum of first and 2nd(first multiply with a number)

Nnesha (nnesha):

so multiply 2nd equation by a number

Nnesha (nnesha):

use smaller number not like 22 ,50 ,10 (3x-2y=2) multiply b a number

Nnesha (nnesha):

let's multiply by 2 |dw:1442684334674:dw|

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