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klasskru [66]
2 years ago
11

The expression -2(x-4) is the same as?​

Mathematics
1 answer:
Tomtit [17]2 years ago
5 0

Answer:

-2x + 8

Step-by-step explanation:

I applied the distribution technique to the original question.

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X+9=2x-3<br> FIND THE X!!!!!!
Ierofanga [76]

Answer:

x = 12

Step-by-step explanation:

<u>To find "x"</u>, we need to <u>isolate it</u>. This means move "x" to the left side, and everything else to the right side.

When moving a number, do its <u>reverse operation</u> to the entire equation.

x + 9 = 2x - 3

x - 2x + 9 = 2x - 2x - 3         Subtract 2x from both sides

-x + 9 = -3                              

-x + 9 - 9 = -3 - 9           Subtract 9 from both sides

-x = -12

-x/-1 = -12/-1          Divide both sides by -1 to get rid of the negatives

x = 12                     Final answer

Check your answer. Split the equation for the left and right sides. Substitute "x" for the answer "12".

LS:   (left side)

x + 9

= 12 + 9              Add

= 21

RS:   (right side)

2x - 3

= 2(12) - 3            Multiply before subtracting

= 24 - 3               Subtract

= 21

Both sides equal to 21 when "x" is 12.

LS = RS          left side equals right side

Therefore the answer is correct.

3 0
3 years ago
Evaluate g(-4) when g(b)<br> =<br> - 4(12.5b - 2)<br><br> Can someone help please?
Stolb23 [73]
The answer to your problem is 50b+8

3 0
3 years ago
What is the answer to this question?
WARRIOR [948]

Answer: Lower right corner

============================================

Explanation:

The information that the temperature rises 3 degrees per hour will tell us the slope here. The slope is rise/run = 3/1 = 3. Each time we move up 3 on the y axis, we move 1 spot to the right.

As you can see in the bottom right hand corner graph, we start off at a temperature of 20 degrees. This is the point (x,y) = (0,20)

Then one hour later (x = 1), the temperature y bumps up to y = 23. Another hour passes by (x = 2) and y becomes y = 26. And so on.

3 0
3 years ago
WILL GIVE BRAINLYEST
tia_tia [17]
I'm pretty sure it would be 14:854
5 0
3 years ago
Read 2 more answers
$500 principle earning 4% compounded quarterly after 6 yrs
Cerrena [4.2K]

Answer:

The amount of interest earned would be $134.87 for a total of $634.87 after 6 years.

5 0
3 years ago
Read 2 more answers
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