Question

|x + 1| + |x + 2| = 3

Answer 1

Answer: x=0 or -3

Step-by-step explanation: those two lines are absolute value, which is the distance a number is away from zero so it is always positive and since 1+2=3 x is zero

It can also be -3 because l -3+1 l = l-2 l = 2 and l-3+2 l = l-1 l = 1 and 2+1+3

Answer 2

0

Explanation:

Since there is no negative sign with x, you could just take out the absolute signs.

So after you take them out you have:

x+1+x+2=3

Now, combine like terms:

x+x=2x

1+2=3

Combine into an equation:

2x+3=3

Subtract 3 on both sides:

2x+3-3=3-3

2x=0

Divide 2 on both sides:

x=0

(It would be undefined if it was
`(x)/(0)`)

But because it is
`(0)/(2)`, it would just be 0.

Hope this helped!