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Paul [167]
3 years ago
6

Solve 3x − x + 2 = 12

Mathematics
2 answers:
posledela3 years ago
8 0
5 is the answer to the equation

marissa [1.9K]3 years ago
5 0
<span>3x − x + 2 = 12
2x + 2 = 12
2x = 10
x = 5

answer
x = 5</span>
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Help! Math Homework.
Alenkinab [10]
To solve problem 1 what you need to do is figure out how many miles the girls have walked so far and then subtract that from the total distance they must complete.

3/4-(3/10+1/4)

Step 1:Change the denominators so that way they are all the same

3/4=15/20
3/10=6/20              15/20-(6/20+5/20)
1/4=5/20

Step 2: Begin solving the problem

6/20+5/20=11/20
15/20-11/20=4/20

Step 3: Simplify your answer

4/20=1/5

Step 4 (is optional): Write your answer in a complete statement

The three girls walk 1/5mile together to school

Answer: A

I hope this is correct and if not I apologize for giving false information.

8 0
3 years ago
ericas mother saved her quarters and dimes .she counted 48 coins with a value of $7.50.how many quarters and dimes were there?
katrin2010 [14]
28 Quarters and 5 dimes
8 0
3 years ago
Read 2 more answers
Suppose Albers Elementary School has 32 teachers and Bothell Elementary School has 61 teachers. If the total number of teachers
Contact [7]

Answer: 31 teachers

Step-by-step explanation: let the number of teachers that teach in both school be x

By using venn diagram:

32 - x + x + 61 - x = 62

93 - x = 62

X = 93 - 62

X = 31

7 0
3 years ago
Please answer and explain for brainlest!!​
satela [25.4K]

Answer:

B. 45

Step-by-step explanation:

To solve for angle A, we need to find the value of x. First, we need to find the interior angles of the triangle. We already know 2 of them, x+57 and 63+x but we need the third one. We can do that by subtracting 96 from 180 which is 84.

So now that we have the three interior angles of the triangle, we can make an equation. We already know that the sum of interior angles of a triangle is 180.

84+(x+57)+(63+x) = 180

Simplifying, we get:

204+2x=180

2x = -24

x=-12

Plugging x = -12 into x+57 gives 45 degrees. So, the answer is B.

6 0
3 years ago
Read 2 more answers
Can someone give me the answer to this
vredina [299]
You solve this problem via PEMDAS (Parentheses Exponents Multiplication Division Addition Subtraction.) 

To start you simplify everything inside parentheses.

9+3*5+5^2

Then you simplify the exponents.

9+3*5+25

Next, you simplify the multiplication signs.

9+15+25

Then you simplify all the addition signs from left to right.

24+25

49
6 0
3 years ago
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