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Slav-nsk [51]
3 years ago
11

3a-13=47 a= pls help ive been stuck on this for an hower

Mathematics
2 answers:
kotykmax [81]3 years ago
7 0

3a-13=47

   +13 +13                 (You add 13 to both sides)

------------------

3a=60

/3    /3                     (Then, divide by 3 to both sides)

--------------

a=20

patriot [66]3 years ago
6 0

Hey there!

Explanation:

First, you had to do is add by 13 from both sides of an equation.

3a-13+13=47+13

Then, simplify or add by the numbers.

47+13=60

3a=60

Next, you can also divide by 3 from both sides of an equation.

\frac{3a}{3}=\frac{60}{3}

And finally, simplify and divide by the numbers,

60/3=20

*The answer must have a positive sign.*

\boxed{a=20}

Hope this helps!

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