Answer:
2H+2K
Step-by-step explanation:
because you multiply both the variables by two but you cant add them because they have diffrent letters or varibles
Answer:
x = 1, y = 1/4
Step-by-step explanation:


Substitute x = 1 in ( 1 ) :

Answer:
I think the answer to this is: 25q + 10d + 5n + 60 = 87
The story says that you have 1 dollar and 87 cents; 60 cents of which is pennies. So, if you’re using an equation involving quarters, dimes and nickels, the total equation should equal to 87 cents (since that dollar bill could not be broken down to cents).
Step-by-step explanation:
i promise
Answer:
x = 5
Step-by-step explanation:
100 = 21x-5
+5 +5
105 = 21x
/21 /21
5 = x