Question

How do you solve `2z+6z-19=-57`?

Answer 1

`color(blue)(z= -19/4`

Explanation:

`2z+6z−19 = -57`

`8z−19 = -57`

`8z = -57+19`

`8z= -38`

`z= -38/8`

`color(blue)(z= -19/4`