I'm not sure how to start this

Question

AL2006 · Answer

You could start by cubing each side of the equation. 
 That would give you 7r + 5 = -27 
 Could you handle it from there ?

AL2006 · Answer

To start solving a cubic equation, isolate the variable by taking the cube root of both sides. After simplifying, you can solve for the variable by further isolating it. If you follow these steps correctly, you should be able to find your solution. 
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I'm not sure how to start this

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