To find the value of a variable you must know the basics of pre-Algebra.
Example:
2x+9=39
To find he answer of this you must subtract 9 from both sides
Then you are left with…
2x=30
Since 2x=30 means 2 times x equals 30
You can divide 2 from both sides to find the answer
Which is…
x=15
Answer: IRT WOULD BE C bc likw look da chaer i dont gotta epsxlain
Step-by-step explanation:
Answer:
6 1/2
Step-by-step explanation:
1 1/2 times 3 for 3 days = 4 1/2 + 2 = 6 1/2 So, the answer wold be 6 1/2 hours or 6.5 hours.