Answer:
x = 8
y = 1
Step-by-step explanation:
First you want to substitute y in for 1 to get
2x + 4 = 20
Then subtract four to both sides to get
2x = 16
Then divide 2 by 16 to get
x = 8
and then plug the 8 into the original equation
2(8) + 4y = 20
And then solve for y!
There is a total of 10 marbles, of which 5 marbles are red.
Therefore the second choice is the correct answer.
Answer:
The answer is false.
there are only for operations for arithmetics.
addition. subtraction. multiplication. division.
Step-by-step explanation:
hope this helps :)
~alex
Answer:
34 is the answer
Step-by-step explanation:
