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fgiga [73]
3 years ago
6

Determine if the expressions below are equivalent by simplifying. Justify your answer.

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0
Remember to distribute parentheses and combine like terms
hope this hells

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What is the justification for step 2 in the solution process?
gulaghasi [49]

Answer: OPTION B.

Step-by-step explanation:

Given the following equation:

10x - 25 - 3x = 4x- 1

These are the steps to solve it:

<em>Step 1</em>

Add like terms on the left side of the equation:

7x -25= 4x - 1

<em>Step 2</em>

Apply Addition property of equality, which states that: If\ a=b\ then\ a+c=b+c

Then, we can add 25 to both sides of the equation:

7x -25+(25)= 4x - 1+(25)\\\\7x=4x+24

<em>Step 3</em>

Applying the Subtraction property of equality, we can subtract 4x from both sides:

7x-4x=4x+24-(4x)\\\\3x=24

<em>Step 4</em>

Applying the Division property of equality, we can both sides of the equation by 3. Then:

\frac{3x}{3}=\frac{24}{3}\\\\x=8

7 0
3 years ago
Read 2 more answers
How many real number solutoins does the equation have? -8x^2 + 8x - 2 = 0
Yanka [14]

Answer:

one

Step-by-step explanation:

for general form : ax²+bx+c=0

delta = b²-4ac

so for this example delta is 8²-4×2×8 =0

we know if delta = 0 , we have just one real number solution

so the answer is 1

4 0
3 years ago
A hotel reservation number consists of 5 digits, followed by 1 letters, followed by 3 digits. How many different reservation num
sasho [114]

There are 10 possible digits and 26 possible letters.

To find the answer to this problem we have to multiply 9 as many digits has the hotel reservation number and 26 as many letters it has.

It means:

9\cdot9\cdot9\cdot9\cdot9\cdot26\cdot9\cdot9\cdot9=1,119,214,746

There are 1,119,214,746 possible reservation numbers.

6 0
1 year ago
7th grade Math help please :)
Ann [662]

Answer:

false

true

true

true

true

false

true

false

false

answers r in order of pictures

Step-by-step explanation:

5 0
3 years ago
Pls help pls help!!!!! ok ty
tekilochka [14]

Answer:

D

Step-by-step explanation:

Indepedent values basically means the x-values

Also sorry for last answer

7 0
3 years ago
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