A = B + (.40)C,A = 10, and B = -6
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 +616=0.4c Divide both sides by 0.4 to isolate c.40=c