Question

what is the inverse of this equation
A(b)=10*(b=7)/2

answers:
A. a/7-5
B. a/7+5
C. a/5-7
D. a/5+7

Answer 1

@myko

Answer 2

is it: \(A(b)=10(b-7)/2\) ?

Answer 3

yeah sorry for the typo

Answer 4

then express b in terms of a:
\(a=10(b-7)/2\)
\(2a=10(b-7)\)
\(\frac{1}{5}a=b-7\)
\(\frac{a}{5}+7=b\)

Answer 5

ok i think i understand...