Question

How do you solve `7x + 3= 4x - 18`?

Answer 1

`x=(-7)`

Explanation:

`7x+3=4x-18`

Subtracting `4x` from both sides,
`3x+3=-18`

Subtracting `3` from both sides,
`3x=(-18-3)`
`3x=-21`

Dividing both sides by `3`,
`x=-7`