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15 February, 18:11

What is the value of z in the equation z-7.8=32.9?

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  1. 15 February, 20:02
    0
    Hi there! First, we add 7.8 to both sides which would look like 7.8+7.8=32.9+7.8 Second, you would add 32.9 to 7.8, 32.9+7.8=40.7. Therefore, z=40.7
  2. 15 February, 20:29
    0
    Z-7.8=32.9

    add 7.8 on both sides so it should say z=40.8 that's your answer

    z=40.8
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