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Find the value of x. 20x+10x+30 = 330.

Mathematics

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Answer

10

Step-by-step solution

3 steps
  1. Unganisha vigezo vya xx upande wa kushoto wa mlinganyo.

    20x+10x+30=33020x + 10x + 30 = 330 30x+30=33030x + 30 = 330
  2. Toa 30 kutoka pande zote mbili za mlinganyo ili kutenga xx.

    30x+30−30=330−3030x + 30 - 30 = 330 - 30 30x=30030x = 300
  3. Gawanya pande zote mbili kwa 30 ili kupata thamani ya xx.

    30x30=30030\frac{30x}{30} = \frac{300}{30} x=10x = 10

    Thamani ya xx ni 10\boxed{10}.

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