<img src="https://tex.z-dn.net/?f=-a-%5Cfrac%7B7%7D%7B8%7D%20a" id="TexFormula1" title="-a-\frac{7}{8} a" alt="-a-\frac{7}{8} a"

grigory [225]

3 years ago

align="absmiddle" class="latex-formula">
paso a paso

Mathematics

2 answers:

Virty [35]3 years ago

6 0

Step-by-step explanation:

-a-7a/8

-8a-7a/8

-15a/8

Hope it helps you

Ede4ka [16]3 years ago

5 0

Answer:

Step-by-step explanation:

WE have to find the least common denominator and it is 8

$-a =\frac{-a*8}{1*8}=\frac{-8a}{8}\\\\-a -\frac{7}{8}a=-\frac{8}{8}a-\frac{7}{8}a\\\\=\frac{-8a-7a}{8}\\\\=\frac{-15a}{8}\\\\$

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