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Ira Lisetskai [31]
3 years ago
14

2z + 3/8 =3 7/8 How do I work out this problem.

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0

Answer:

z=\frac{14}{8} = 1.75

Step-by-step explanation:

I will assume you are solving for <em>z</em>. To solve for a variable, we are looking to get it alone on one side of the equals side, and everything else on the other side.

Here's the given equation:

2z+\frac{3}{8}=\frac{31}{8}

Note, I turned the mixed fraction into an improper fraction. This will make it much easier to work with.

There are two terms on the left side: 2z and \frac{3}{8}. Only one of them has a Z in it, so lets move it to the right side of the equals sign. We can do this by subtracting each side by \frac{3}{8}.

2z+\frac{3}{8} -\frac{3}{8} = \frac{31}{8} -\frac{3}{8}

We can then combine like terms:

2z= \frac{28}{8}

Then, we can divide each side by 2 to turn 2z into z:

z=\frac{14}{8}

Therefore, z=\frac{14}{8} = 1.75

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