3 years ago

When 9 is subtracted from a number then divided by 2, the answer is 4. What is the number?

Mathematics

2 answers:

posledela3 years ago

6 0

$x-\ number\\\\
\frac{x-9}{2}=4\ \ \ |Multiply\ by\ 2\\\\
x-9=8\ \ \ |Add\ 9\\\\
x=17\\\\Number\ is\ 17.$

Fantom [35]3 years ago

5 0

$(x-9):2=4 \\\\ x-9=4*2 \\\\ x-9=8 \\\\ x=8+9 \\\\ \boxed{x=17}$

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