2x-3=7
2x=7+3
2x=10
x=10:2
x=5
Have a nice day!! ^^
Answer:
i think that it is a because there lest
Step-by-step explanation:
Answer:
the last choice
Step-by-step explanation:
4y = -12
y = -12/4
y = -3
Answer:
30
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
6² + x - x²
x = 3
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: 6² + 3 - 3²
- Exponents: 36 + 3 - 9
- Add: 39 - 9
- Subtract: 30
