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secondary 2 | Maths
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Date Posted: 4 years ago
Views: 219
2/(5z - 1) = -3/4
We “cross-multiply” to get
2 (4) = -3 (5z - 1)
We expand to get
8 = -15z + 3
Careful of the sign! Next, we bring over the numbers to one side.
-15z = 5
Finally, we obtain z.
z = -1/3
We “cross-multiply” to get
2 (4) = -3 (5z - 1)
We expand to get
8 = -15z + 3
Careful of the sign! Next, we bring over the numbers to one side.
-15z = 5
Finally, we obtain z.
z = -1/3
It should be -15z = 5, then z = -5/15 = -1/3
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Date Posted:
4 years ago
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