# Polynomials and Rational Expressions Question

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## Grade 9 Polynomials and Rational Expressions CCSS: HSA-REI.A.1

[math]3x+6 = 9[/math]

Step 1: | [math] 3x+6-6 [/math] | [math]= \ \ 9-6[/math] |

Step 2: | [math]3x[/math] | [math]= \ \ 3 [/math] |

Step 3: | [math] \ \ [/math] | [math] \ \ [/math] |

Step 4: | [math]x[/math] | [math]= \ \ 1 [/math] |

- Add 3 to both sides.
- Divide both sides by 3.
- Subtract 3 from both sides.
- Take the cube root of each side.