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weeeeeb [17]
3 years ago
13

{12r}{r+2} =\frac{4}{r+2} -6" alt="\frac{12r}{r+2} =\frac{4}{r+2} -6" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

r = \frac{-4}{9}

Step-by-step explanation:

\frac{12r}{r+2}= \frac{4}{r+2} -6 \\\\\frac{12r}{r+2}= \frac{4-6(r+2)}{r+2} \\\\\frac{12r}{r+2}= \frac{4-6r-12}{r+2}\\\\12r = -6r - 8\\\\12r + 6r = -8 \\\\18r = -8\\\\r = \frac{-8}{18}  = \frac{-4}{9}

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