2 answers:
Answer:
if x is 3 then
3-7(3)+2(3)
-18+6
-12 done
Answer:
-12
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>
3 - 7x + 2x
x = 3
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: 3 - 7(3) + 2(3)
- Multiply: 3 - 21 + 6
- Subtract: -18 + 6
- Add: -12
You might be interested in
The answer is k is greater than or equal to 18
Let the price of one CD be c.
The 5 CDs cost 5c.
The cost of 5 CDs and a $12 DVD is
5c + 12
Initial number of quarters; 6
x = number of days
Number of quarters added after x days: 2x
Total amount of quarters, y = 2x + 6
Note: the slope is 2 and the y-intercept is 6.
Answer:
2x+3
Step-by-step explanation:
divide 6x + 9 by 3 using long polynomial division
Answer:
25 degrees
Step-by-step explanation:
85 +x-10 + 2x=180
85-10+3x=180
75+3x=180
3x=105
x=35
35-10=25
