kadin

asked on

# Check my algebra

Did I solve this correctly? Thanks.

Solve for a. s=15 f=12 t=6

f=s+at

f=s+at

f-s=s+at-s

f-s=at

(f-s)/t=a/t

(f-s)/t=a

(12-15)/6=a

-3/6=a

-1/3=a

The books answer is a=-0.5

Solve for a. s=15 f=12 t=6

f=s+at

f=s+at

f-s=s+at-s

f-s=at

(f-s)/t=a/t

(f-s)/t=a

(12-15)/6=a

-3/6=a

-1/3=a

The books answer is a=-0.5

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^no problem with the algebra. It's 2nd-grade fractions. :)

ASKER

Thanks. You don't know how relieved I am that it is just a simple math error on my part.