1q+2=-6q+3+8q+4
1q+2=2q+7
<span>-2q -2q
</span>-q+2=7
<span> -2 -2
</span>-q=<span>5
-1 -1
q=-5
</span>
Answer:
A
Step-by-step explanation:
Answer:
3x-21
Step-by-step explanation:
3*x+3*(-7)=3x-21
Answer:

Step-by-step explanation:
Isolate the b from one side of the equation.
<u>First, subtract by 5 from both sides.</u>

<u>Solve.</u>
<u />
<u>Subtract.</u>
9-5=4
2b=4
<u>Divide by 2 from both sides.</u>
2b/2=4/2
<u>Solve.</u>
<u />
<u>Divide the numbers from left to right.</u>
4/2=2

Therefore, the correct answer is b=2.
I hope this helps, let me know if you have any questions.
Answer:
1 heart beat every 3 seconds
Step-by-step explanation:
60 seconds
20 heartbeats
60/20=3
So 1 every 3 second