MyrtleHurdleTurtle MyrtleHurdleTurtle

15-09-2018
Mathematics

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Solve for x and y (use elimination or substitution). Show work.

Solve for x and y use elimination or substitution Show work class=

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syahidah syahidah

15-09-2018

i hope it can help you hehe. dint forget give me brainlist hehe

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23tadimarri 23tadimarri

15-09-2018

We know if we combine 7x + 3y -1 and x we get 180 degrees

7x+3y-1+x=180

8x-3y=181

We also know that 7x+3y-1=10x-7y+9

-3x=-10y+10

-3x+10y=10

If we combine the 2 equations:

8x-3y=181

-3x+10y=10

24x-9y=543

-24x+80y=80

71y=623

Now you can do it from here. :)

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