All categories

3 years ago

3a-28-7a=10a I need it fast

Mathematics

2 answers:

nataly862011 [7]3 years ago

6 0

Step-by-step explanation:

hope it will helpful to you

cricket20 [7]3 years ago

4 0

Answer:

a=-2

Step-by-step explanation:

Combine common variables on both sides.

3a-7a-28=10a

-4a-28=10a

Add variables to other side

-28=14a

Divide each side by 14

a=-2

You might be interested in

For a function p(x), as |x|—> infinity then p(x)—> 3. Which of the following graphs could be p(x)?

VladimirAG [237]

Answer:

Step-by-step explanation:

A pe x the answer is d

7 0

3 years ago

(5x – 3y) (3x + 4y)

MariettaO [177]

Answer:

$\boxed{\red{15 {x}^{2} + 11xy - 12 {y}^{2}}}$

Step-by-step explanation:

$\blue{(5x - 3y)(3x + 4y)} \\ \blue{5x(3x + 4y) - 3y(3x + 4y)} \\ \blue{15 {x}^{2} + 20xy - 9xy - 12 {y}^{2} } \\ \pink{= 15 {x}^{2} + 11xy - 12 {y}^{2} }$

6 0

3 years ago

Read 2 more answers

2n - 5 = 31<br><br> Answer: The value of n is ....

Romashka [77]

Answer:

n = 18

Step-by-step explanation:

2n - 5 = 31

Add 5 to each side

2n - 5+5 = 31+5

2n = 36

Divide each side by 2

2n/2 = 36/2

n = 18

7 0

3 years ago

What are the first 300 digits of pie first answer is brainiest

Gelneren [198K]

Answer:

141592653589793238462643383279502884197169399375105

82097494459230781640628620899862803482534211706798

21480865132823066470938446095505822317253594081284

81117450284102701938521105559644622948954930381964

42881097566593344612847564823378678316527120190914

5648566923460348610454326648213393607260249141273

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

In 6n + 8, n is best described as ___. A a coefficient B a variable C an expression D a term

gayaneshka [121]

Variable, because its a letter<span />

6 0

3 years ago

Read 2 more answers