Question

0.3 ( 4z - 6) = 0.5 ( 2z + 9)
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Answer 1

Answer:

3.5

Step-by-step explanation:

Solution:

$4z - 6 = 0.5 \times 2z + 0.5 \times 9 \\ 4z - 6 = 1z + 4.5 \\ 4z - z = 4.5 + 6 \\ 3z = 10.5 \\ z = 3.5$

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