Question

How do you write the expression for: Six times the sum of a number and 15 is -42?

Answer 1

`6(x+15)=-42` Your equation. See explanation for solution

Explanation:

Your equation is
`-42=6(x+15)` x is your unknown number.

Therefore you can solve easily:

`-42/6=x+15`
`-7=x+15`
`-7-15=x`
`-22=x`

Your answer is `x=-22`