Question

How do you solve `3x +4 (3x+22) = -47`?

Answer 1

Get rid of the bracket by multiplying by `4`:
`3x+12x+88=-47`
isolate `x` on the left (remembering to change sign if crossing the `=` sign);
`3x+12x=-88-47`
`15x=-135`
Divide both sides by `15`
`x=-135/15=-9`