Can somebody explain this algebra manipulation trick used here?

Skdfh Sjdfsdof

New member
The problem:

If you invest $1000 at 7% interest, compounded annually, what's the value of your investment in 10 years?

The Answer:

After 1 year the value would be 1000+ 7% 0f 1000= 1000+(0.07)(1000)= 1000(1.07)

After 10 years 1000(1.07)^10 = $1967.14

My question:

How did they get the value on the right side of this equation below?

1000+(0.07)(1000)= 1000(1.07)

Many thanks.
So, looks like we got a BA here.
I added the first edit before i saw the answers by ironduke and A.H so we got BAs here.

Loved the answers. Thanks everyone.
 
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