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16 October, 19:15

Solve the equation r+11+8r=29

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  1. 16 October, 21:40
    0
    Ok so lets evaluate this equation. First, we have to combine like terms which in this case us r only. So lets do it r+8r is simply 9r+11=29 so now since we want to isolate or in other terms get r the variable by itself we would have to subtract 11 form both sides. 29 - 11 is simply 18 now we have 9r=18 divide 9 on both sides and r is equal to 2
  2. 16 October, 23:00
    0
    Combine like terms: r+8r=9r. subtract 11 from both sides 9r=18. r=2
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