Answer:
240
<em>hope this helps and pls give </em><em>brainliest</em><em>!</em>
I hope this helps you
4/5-1/3
(4.3/5.3)-(1.5/3.5)
12/15-5/15
7/15
-6x + 3 + x - 7...when ur adding expressions such as this, and there is a plus sign in between them, the parenthesis are not needed.
we now combine like terms...
-6x + x = -5x
3 - 7 = -4
and we are left with : -5x - 4 <==
20 Answer: a₁ = 4
<u>Step-by-step explanation:</u>

21 Answer: n = 13
<u>Step-by-step explanation:</u>

22 Answer: n = 5
<u>Step-by-step explanation:</u>
