Question

-l0 = -2+1/2 d solved for d

Answer 1

`-10 =-2+ (1)/(2) d`


`-10=-2+ (d)/(2)`


`-10= (d)/(2) -2`
`Regroup \ terms`


`-10+2= (d)/(2)`
`Add \ 2 \ to \ both \ sides`


`-8= (d)/(2)`


`-8*2=d`
`Multiply \ both \ sides \ by \ 2`


`d=-16`