Question

Given the formula y=3x + 1A. find y when x=-5y=_____B. find x when y=-11x=

Answer 1

a. y = -14

b. x = -4

Explanation:

We have the following formula:

`y=3x+1`

We solve in each case:

`\begin{gathered} y=3x+1 \\ \\ (a)\text{ }x=-5 \\ \\ y=3(-5)+1=-15+1=-14 \\ \\ (b)\text{ }y=-11 \\ \\ -11=3x+1\: \\ \\ 3x=-11-1 \\ \\ x=(-12)/(3)=-4 \end{gathered}`