Hello!
<em><u>Answer:</u></em>
<em><u>d=3</u></em>
<em><u>*The answer must have a positive sign.*</u></em>
Step-by-step explanation:
Distributive property: a(b+c)=ab+ac
First, you multiply by 10 from both sides of an equation.

Then, you had to refine the problem down.

Next, you subtract by 54 from both sides of an equation.

Simplify.

You can also divide by 22 from both sides of an equation.

And finally, simplify and solve. You can also divide by the numbers.

Final answer: → 
Hope this helps!
Thanks!
-Charlie
Have a great day!
:)
:D
Answer:
14a^2
Step-by-step explanation:
3a^2+4a^2+7a^2
Combine like terms
Factor out a^2
a^2(3+4+7)
a^2(14)
14a^2
Answer:
8 miles
Step-by-step explanation:
$20.50-$4.50= $16
$16/$2= 8 miles
Hope this helped! :)
The formula for this equation is -6 for each number. So the answer your looking for is 9...3....-3....-9....-15.....-27. Hope I helped you out.