Question

X + 7x - 2 equals -20

Answer 1

I'm assuming that the capital and lower case x's are the same


`x+7x-2=-20`

You need to get x by itself

Add 2 to each side


`x+7x-2=-20` ⇒
`x+7x=-18`

Add like variables together


`8x=-18`

18÷8=
`2 (2)/(8)` ⇒
`2 (1)/(4)`

Answer:
`2 (1)/(4)`