Question

Plzz help! Can you also explain. ps. It’s not 4

Answer 1

Answer: 3

Explanation:

We can start by making an equation.

Since we know the total length of SQ we can add SR + RQ to equal SQ.

`(2x+23)+(x+21)=14`

The parenthesizes are not necessary but they help for understanding the parts of the equation.

We will remove the parenthesizes and combine like terms.

`3x+44=14\\`

Now subtract 44 from both sides to cancel it out from the side with x.

`3x=-30`

Now divide by 3 to isolate x.

`x=-10`

So x = -10.

Now we can plug in the value of x into SR.

`2(-10)+23 = SR`

Solve

So SR = 3

Answer 2

SR =3

Explanation:

SR + RQ = SQ

2x+23 + x+21 = 14

Combine like terms

3x+44 = 14

Subtract 44 from each side

3x+44-44= 14-44

3x = -30

Divide each side by 3

3x/3 = -30/3

x = -10

SR = 2x+23 = 2(-10)+23 = -20+3 =3