Question

How do you solve `3( 8x + 7) = 405`?

Answer 1

`x = 16`

Explanation:

`3(8x+7) = 405`
`3(8x+7)/3 = 405/3`
`8x + 7 = 135`
`8x +7 -7 = 135 -7`
`8x = 128`
`8x/8 = 128/8`
`x = 16`