Question

7(z-2)+3=10+2z find the value of z

Answer 1

Answer:

z = 4.2

Step-by-step explanation:

7( z-2 ) + 3 = 10 + 2z

7z - 14 + 3 = 10 + 2z

7z - 11 = 10 + 2z

7z - 2z = 10 + 11

5z = 21

z = 21/5

z = 4.2

Answer 2

Answer:

The value of z is $\frac{21}{5} .$

Step-by-step explanation:

In context to questions asked

We have to determine the value of the equation,

Given that,

$7(z-2)+3=10+2z$

Here we will use the transposition method,

Now distributing the terms,

=> $7z-14+3=10+2z$

Add the numbers,

=> $7z-11=10+2z$

Rearranging the terms,

=> $7z-11=2z+10$

Add both sides by 11,

=> 7z - 11 + 11 = 2z + 10 + 11

=> 7z = 2z + 10 + 11

Add the numbers,

=> 7z = 2z + 21

Subtract both sides by 2z,

=> 7z - 2z = 2z + 21 - 2z

=> 5z = 21

Divide both sides by 5,

=> $z = \frac{21}{5}$

Hence, the required solution is $\frac{21}{5} .$