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Ostrovityanka [42]
3 years ago
11

I already made an attempt at this question and I would just like to check my answer z = ?

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
5 0

So we have the equation:

\frac{z+9}{4}=2.1

Then we need to multiply by 4 on both sides to get rid of the denominator on the left:

z+9=8.4

Then we subtract 9 on both sides to solve for z:

z=-0.6

Therefore the answer is z = -0.6.

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