Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Subtract 12 From Both Sides

[ Step Two ] Simplify

[ Step Three ] Subtract 8x From Both Sides

[ Step Four ] Simplify

[ Step Five ] Divide Both Sides By 3

[ Step Six ] Simplify

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Answer:
i guess the answer is 680.
Because multiplstion should be made first;
The answer is
336569.04
If you try you can find same answer
If you have a TI-83 Plus calculator . You can go to 2nd X^-1 and use the matrices
Answer:
prob 4;20
Step-by-step explanation:
i think it will die at 4:30