Question #7a695

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Question #7a695

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Answer 1 · 2018-02-14T05:20:16

The number $n$ $n$ is $3.8$ $3.8$ .

Explanation:

First, translate the English sentence to math. "Difference" means subtraction and "is" means equals. It will looks like this:

$n - 1.8      The difference between a number n and 1.8 =    is 2    2.$ $stackrel(n-1.8) overbrace"The difference between a number n and 1.8"" " stackrel(=) overbrace"is"" " stackrel2 overbrace"2."$

Now solve for $n$ $n$ in the equation:

$n - 1.8 = 2$ $n-1.8=2$

Add $1.8$ $1.8$ to both sides of the equation.

$n - 1.8 + 1.8 = 2 + 1.8$ $n-1.8+1.8=2+1.8$

$ncolor(red)(cancel(color(black)(-1.8+1.8)))=2+1.8$

$n=2+1.8$

$n=3.8$

The number is $3.8$ .

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Question #7a695

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