Answer:

Step-by-step explanation:
<u>Step 1: Combine like terms</u>
<u />


Answer: 
Answer:
6n^2 + 5n = 4
Step-by-step explanation:
Represent the number by n. Then: 6n^2 + 5n = 4.
Next time, please include complete instructions. What were you supposed to do here?
The complete question in the attached figure
Let
x-----------> certain number
we know that
32.6 +x=36.14------------> x=36.14-32.6-----------> x=3.54
the answer is
<span>
the number that must go in the box to complete the addition problem is 3</span>
Answer:
x = 10, y = 30
Step-by-step explanation:
Since this already has a y-value, which is 3x, we will use substitution.
3x + 7x = 10
10x = 10
x = 10
Now that we know x, we can figure out what y is.
y = 3(10)
y = 30