Answer:
x = (k-14)/5
Step-by-step explanation:
5x + 14 = k
Subtract 14 from each side
5x + 14-14 = k-14
5x = k-14
Divide by 5
5x/5 = (k-14)/5
x = (k-14)/5
Answer:
k - 14/5
Step-by-step explanation:
5x + 14 = k
On subtracting 14 on both sides,
5x = k - 14
On dividing by 5 on both sides,
x = k - 14/5
Therefore, the value of x = k-14/5
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2x-4xy+5x-2xy-4x-4y?
Answer: 3x-6xy-4y
Step-by-step explanation: So, it’s been a few years since I’ve been in high school, but if I remember correctly...it should break down as such...
A good method to breaking this down is to use parentheses to break up the equation.
Example: (2x)(-4xy)(+5x)(-2xy)(-4x)(-4y)
Keep in mind we are only using the parentheses as a breaker and not as multiplication as it can be seen.
So, start with the singular ‘x’ variants. (2x) (+5x) (-4x). 2x+5x is 7x. 7x-4x is 3x. Now, move onto ‘xy’ variant. (-4xy) and (-2xy). As these are both negative, they add together to make an even lower number...being -6xy. Onto the final step taking the singular ‘y’ variant. There’s only 1 ‘y’ variant so it just stays -4y.
In the end, you end up with 3x-6xy-4y. :) Hope this helps. If you have any more questions, let me know!
The division of (4x³ + 3x² - 30x - 10) by (x - 3) is equal to 4x² + 3x - 21 with a remainder of -73.
To divide the polynomial (4x³ + 3x² - 30x - 10) by (x - 3), we can use long division Divide the first term of the dividend by the first term of the divisor:
4x³ / x = 4x²
4x² * (x - 3) = 4x³ - 12x²
(4x³ + 3x² - 30x - 10) - (4x³ - 12x²) = 3x²- 30x - 10
Bring down the next term from the dividend:
3x² - 30x - 10
3x² / x = 3x
Multiply the divisor (x - 3) by the result from step 5:
3x * (x - 3) = 3x² - 9x
(3x² - 30x - 10) - (3x²- 9x) = -21x - 10
Bring down the next term from the dividend:
-21x - 10
-21x / x = -21
Multiply the dvisor (x - 3) by the result from step 6:
-21 * (x - 3) = -21x + 63
(-21x - 10) - (-21x + 63) = -73
The result of the division is the sum of the quotients obtained in each step:
4x² + 3x + (-21)
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102+28=130 180-130=50, answer is 50°