SOLUTION: 4(1.5c+6)-2c=-9

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Question 171082: 4(1.5c+6)-2c=-9
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
4%281.5c%2B6%29-2c=-9 , Working eqn
Distribute:
6c%2B24-2c=-9
4c=-9-24=-33
cross%284%29c%2Fcross%284%29=-33%2F4
highlight%28c=-33%2F4=-8.25%29, Answer
Subst. in working eqn to verify,
4%281.5%2A%28-8.25%29%2B6%29-2%28-8.25%29=-9
4%28-12.375%2B6%29%2B%2816.5%29=-9
4%28-6.375%29%2B%288.5%29=-9
-25.5%2B%288.5%29=-9
-9=-9. GOOD
Thank you,
Jojo