10 fewer people
After 15 people get off, 9 get on, 4 get off leaving 5. 5 is 10 less than 15.
1. Line 3 is the first error. In order to get rid of the 25, you add it to both sides, not subtract. So, your answer is B.
2. Line 1 because it says in the question "4
less than a number" and the equation adds 4, instead of subtracting. Your answer is A.
3. Line 4. To get rid of the 6 in front of 6x, you have to divide by it, but instead they multiply. So, your answer is C.
4. To solve this, you will use the distributive property first:
Turns into:
Get rid of the 12:
Divide by 4:
Your answer is B.
5. You have to set it up:
Just solve for x:
Multiply both sides by 3 to isolate x:
Your answer is B.
Hope this helps, if any step doesn't make sense, feel free to tell me!
Answer:
C. 6 units
Step-by-step explanation: Graph the line using the slope and y-intercept, or two points.
Slope:
0
Answer:
I think probably at least 8 weeks.
Solution:
Given expression is
To solve this expression:
Using algebraic identity:
We can't solve it with division symbol. So change this into multiplication and solve it.
The second term is reversed when you change division into multiplication.
Now, cancel the common terms in the numerator and denominator.
Hence the answer is .