Question

How do you solve `4( 3x + 20) + 10= 50`?

Answer 1

`-3.bar(3)` or `-3 1/3`.

Explanation:

First, you use the distributive property.

`4 times 3x = 12x`

`4 times 20 = 80`

So now you have:

`12x + 80 + 10 = 50`

Now you can combine like terms:

`80 + 10 = 90`

Now you have:

`12x + 90 = 50`

Subtract `90` from both sides to make it cancel out so you are left with:

`12x = -40`

You have to get `x` by itself, so you divide by `12` on both sides and that cancels out the `12`.

`(12x)/12 = -40/12`

`x = -3.33" "` (rounded answer)

`x = -3.bar(3) = -3 1/3`

Answer 2

`x=-10/3`

Explanation:

Let's start by distributing the `4` to both of the terms in parenthesis. Doing this, we get

`12x+80+10=50`

We can combine like terms on the left to get

`12x+90=50`

Next, we can subtract `90` from both sides to get

`12x=-40`

We can divide both sides by `12` to get

`x=-40/12`

To simplify this fraction, we can divide the top and bottom by `4`. Doing this, we get

`x=-10/3`

Hope this helps!