Question

If

s= t+7s/5 and s= -2 what is the value of t?

A) -24
B) -4
C) 4
D) 24

Answer 1

C

Explanation:

Given

s =
`(t+7s)/(5)` ← substitute s = - 2 into the equation

- 2 =
`(t+7(-2))/(5)` ( multiply both sides by 5 to clear the fraction

- 10 = t - 14 ( add 14 to both sides )

4 = t → C