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Help me find the value of r please?

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asked Sep 6, 2024 234k views

2 votes

Help me find the value of r please?

Mathematics
college

Stephano asked

by Stephano

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1 Answer

4 votes

Answer:

$r=14\mathring{}$

Explanation:

$(5r-5)\mathring{}+(8r+3)\mathring{}=180\mathring{}\\5r-5+8r+3=180\mathring{}\\13r-2=180\mathring{}\\13r=180\mathring{}+2\\13r=182\mathring{}\\r=(182)/(13) \\\\r=14\mathring{}$

Marcel Djaman answered Sep 11, 2024

by Marcel Djaman

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