Answer:
i think its 12
Step-by-step explanation:
Answer:
Step-by-step explanation:
3x+13+x-8+x=180
collect like terms
3x+x+x=180-13+8
5x=175
divide both side by 5
x=35
Answer:
9+4n-1=
Step-by-step explanation:
first you substitute n for 3
next you do 4*n=12
then you finish the problem
with order of operations
4*3=12
12+9=21
21-1=20
20 is your answer
hope this helped ≈izzie
Step-by-step explanation:
1.Read the Entire Word Problem.
2.Think About the Word Problem.
3.Write on the Word Problem.
4.Draw a Simple Picture and Label It.
5.Estimate the Answer Before Solving.
6.Check Your Work When Done.
7.Practice Word Problems Often.
Answer:
-3
Step-by-step explanation:
Variables are letters which are used to represent particular unknown quantities in equations.
Now the variable in this question is x.
When we talk about coefficient , we mean the number before the variable in question.
We can see that the variable is written as -3x
-3 is the value before the variable so we can agree that -3 is its coefficient