Respuesta :

Are you trying to solve for c?

If you are, you can rewrite a=b+(.40)c as 10=-6+0.4c because a is 10 and b is -6.

10=-6+0.4c      Add 6 to both sides to get rid of the -6.
+6  +6

16=0.4c            Divide both sides by 0.4 to isolate c.

40=c

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