Answer:
x = -3
Step-by-step explanation:
First, combine like terms:
2x + 3 -3 = -6
2x + 0 = -6
2x = -6
2x divided by 2 = x. -6 divided by 2 = -3.
x = -3.
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Answer:
The interest rate is 10%.
Step-by-step explanation:
Interest = principal * rate * time
time is always in years. 6 month = 0.5 year
1.) 165 = 3300 * r * 0.5
2.) multiply 0.5 and 3300
165 = 1650r
3.) divde 1650 to each side
0.1 = r
0.1 = 10%
Answer:
-6 < x ≤ 6
Step-by-step explanation:
Answer:
m = 6
Step-by-step explanation:
First, add like terms:
2m + 7m + 3m = 72
12m = 72
Divide each side by 12:
m = 6
So, the answer is m = 6
Answer:
x = 3
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Step-by-step explanation:
<u>Step 1: Define</u>
5x - 2 = 13
<u>Step 2: Solve for </u><em><u>x</u></em>
- Add 2 on both sides: 5x = 15
- Divide 5 on both sides: x = 3