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olganol [36]
3 years ago
12

How do you solve the equation z-2z-3=-7

Mathematics
1 answer:
finlep [7]3 years ago
4 0
Hey, it’s very easy. You just need to do like that:

z-2z-3=-7
z-2z= -7+3
-1z = -4 | : (-1)
z = 4

The answer is 4.
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The Solution.

Representing the problem in a diagram, we have

By formula,

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In this case,

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Substituting these values in the formula above, we get

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Clearing the bracket, we get

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6 0
1 year ago
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Sergeu [11.5K]
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