Question

How do you simplify `3x + 5x + 4`?

Answer 1

`8x + 4`

Explanation:

Given: `3x + 5x + 4`

Add terms that are alike, eg. `2a + 3a = 5a`. `3x` and `5x` are alike:

`3x + 5x + 4 = 8x + 4`

You could also factor the greatest common factor (GCF):

`8x + 4 = 4(2x + 1)`