3 years ago

208+8x−718+2x SIMPLIFY PLEASE

Mathematics

2 answers:

Sunny_sXe [5.5K]3 years ago

5 0

Answer:10x-510

Step-by-step explanation:

math

Lubov Fominskaja [6]3 years ago

3 0

926+10x

Explanation: Just add like variables

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a cell phone battery uses 1/3 of its charge in 3/8 of a day. How much charge will it use in one day?

brilliants [131]

$\bf \begin{array}{ccll}charge&day\\\cline{1-2}\frac{1}{3}&\frac{3}{8}\\\\x&1\end{array}\implies \cfrac{~~\frac{1}{3}~~}{x}=\cfrac{~~\frac{3}{8}~~}{1}\implies \cfrac{~~\frac{1}{3}~~}{\frac{x}{1}}=\cfrac{3}{8}\implies \cfrac{1}{3}\cdot \cfrac{1}{x}=\cfrac{3}{8}\\\\\\\cfrac{1}{3x}=\cfrac{3}{8}\implies 8=9x\implies \cfrac{8}{9}=x$