Question

How do you solve `3x + 31= - 7( 3+ 7x )`?

Answer 1

`color(magenta)(x=-1`

Explanation:

`3x+31=-7(3+7x)`

Opening the brackets

`3x+31=-21-49x`

By transposing method,

`3x+49x=-21-31`

`52x=-52`

`x=-52/52`

`color(magenta)(x=-1`

~Hope this helps! :)