Answer:
x=2,BA=DA which is7
Step-by-step explanation:
5x-3=3x+1
both sides share an angle and B=D right angles
5x-3x=1+3
2x=4
x=4÷2
x=2
BA=5x-3
BA=5(2)-3
BA=10-3
BA=7
DA=3x+1
DA=3(2)+1
DA=6+1
DA=7
Answer:
I am pretty sure u got it right
Step-by-step explanation:
:)
C, divide. it follows PEMDAS.
Answer:
x = 1
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
<u>Algebra II</u>
- Logarithms
- Solving Exponentials
Step-by-step explanation:
<u>Step 1: Define</u>
![\displaystyle 2^{x+4} - 12 = 20](https://tex.z-dn.net/?f=%5Cdisplaystyle%202%5E%7Bx%2B4%7D%20-%2012%20%3D%2020)
<u>Step 2: Solve for </u><em><u>x</u></em>
- Isolate <em>x</em> term:
![\displaystyle 2^{x+4} = 32](https://tex.z-dn.net/?f=%5Cdisplaystyle%202%5E%7Bx%2B4%7D%20%3D%2032)
- Rewrite 32:
![\displaystyle log_2(32) = 5](https://tex.z-dn.net/?f=%5Cdisplaystyle%20log_2%2832%29%20%3D%205)
- Rewrite equation:
![\displaystyle 2^{x+4} = 2^5](https://tex.z-dn.net/?f=%5Cdisplaystyle%202%5E%7Bx%2B4%7D%20%3D%202%5E5)
- Set equal:
![\displaystyle x + 4 = 5](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%20%2B%204%20%3D%205)
- Isolate <em>x</em>:
![\displaystyle x = 1](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%20%3D%201)