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elena-s [515]
3 years ago
13

-x-7y=9 -x+9y=-23 How do I answer it

Mathematics
1 answer:
ipn [44]3 years ago
6 0
Change one "x" to a positive by multiplying everything to a -1. Then add the equations to make one, solve for "y". After you get "y" plug it in to get "x". Hope that helps.
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C = 5(f-32) / 9 in form ac + b / c
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Step-by-step explanation:

<u>Solved for F </u>

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