Help please! I just need to know how to do this step by step...
2 answers:
-8 - 5n = 64 + 3n
+5n +5n add 5n to both sides, 5n's cancel out on the left.
______________
-8 = 64 + 8n
-64 -64 subtract 64 on both sides, 64's cancel out on the right.
______________
-72 = 8n
___ ___ divide 8 on both sides, 8's cancel out from the right.
8 8
n= -9, final answer
Answer:
-8 - 5n= 64 + 3n
+8 +8
=0 =72
-5n= 72 + 3n
-3n -3n
-8n= 72 divide both sides by -8
n= -9
You might be interested in
Answer:
c is your answer
Step-by-step explanation:
please mark brailiest
Answer:
Step-by-step explanation:
√108 ÷ √125 + √75
= 6√3 ÷ 5√5 + 5√3
= 11√3 / 5√5
hope this helps
plz mark as brainliest!!!!!!!
Answer:

Step-by-step explanation:
Using the rule of exponents
×
=
, then
×
=
= 
Answer:
r = 34
Step-by-step explanation:
add 32 to both sides,