Respuesta :

1=7+4.5s-0.5s

1=7+4s

1-7=4s

-6=4s

-6/4=s

-3/2=s

s= -3/2.

S Equals -1.5

Workout Im gonna use X becuase i get confused with s and 5

0.5x+1=7+4.5x

Subtract 4.5x from 0.5x

-4x+1=7

Subtract 1 from 7

-4x=6

Divide -4x into 6 and the answer will be -1.5



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