Question

1 If (a +3,5 - 1) = (-2 , 4) , then a + b

Answer 1

Given the following information:

`(a+3,b-1)=(-2,4)`

We can find a and b as follows:

`\begin{gathered} a+3=-2 \\ _{\text{ }}solve_{\text{ }}for_{\text{ }}a\colon \\ a+3-3=-2-3 \\ a=-5 \\ ------- \\ b-1=4 \\ _{\text{ }}solve_{\text{ }}for_{\text{ }}b\colon \\ b-1+1=4+1 \\ b=5 \end{gathered}`

Now we know the values of a and b, we can find a+b:

`a+b=-5+5=0`

Answer:

(a) 0