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when 5 times a number is added to 45 the answer is the sm of 85 and 140 what is the number

Sagot :

Hello.

First, let the number be r.

5 times r is written like this:

[tex]\rm{5r}[/tex]

Now, add 45:

[tex]\mathrm{5r+45}[/tex]

Now, the sum of 5r+45 is equal to the sum of 85 and 140:

[tex]\mathrm{5r+45=85+140}[/tex]

In order to solve this equation, we need to add 85 and 140:

[tex]\mathrm{5r+45=225}[/tex]

Now, subtract 45 from both sides:

[tex]\mathrm{5r+45-45=225-45}[/tex]

[tex]\mathrm{5r=225-45}[/tex]

[tex]\mathrm{5r=180}[/tex]

The last step is to divide both sides by 5:

[tex]\mathrm{r=36}[/tex]

Therefore, the answer is

[tex]\rm{r=36}[/tex]

I hope it helps.

Have a nice day.

[tex]\boxed{imperturbability}[/tex]

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