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balu736 [363]
3 years ago
6

6m+7n+5m-3n how do I solve

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0

combine like terms, so 6m + 5m =11m

then 7n - 3n = 4n

ANSWER: 11m+4n

anygoal [31]3 years ago
3 0

Here i will help you through the steps

1.) write the problem 6m+7n+5m-3n

2.) now group the like terms like 6m+5m and 7n-3n

3.) now solve 6m+5m and 7n-3n

4.) your answer should be 11m+4n

5.) thats how you solve it, Have a great day!

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Help plz it’s Liberal Arts mathematics
gregori [183]

For #6, x=-3, add 4 to both sides, divide by 2. #7 is 8, #8 is 3, #9 is 3, #10 is -5.

7 0
3 years ago
3x4²-(-6)²+4-6x4 <br>Need help!! Please!!
goblinko [34]
Assuming the x stands for multiplication... follow the ordering rules:

First let's take care of the exponents. 4²=16 and (-6)²=36. At the same time I will add some spacing between the terms:

3x16 - 36 + 4 - 6x4

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48 - 36 + 4 - 24

The rest is just addition and subtraction

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4 0
2 years ago
If y varies directly with x, find the value of y when x = 27 for the direct variation with the given information. y = 7 when x =
ElenaW [278]

Given:

y varies directly with x,

It is given that y = 7 when x = -9.

To find:

The value of y when x = 27 for the direct variation.

Solution:

It is given that y varies directly with x, so

y\propto x

y=kx             ...(i)

Where, k is the constant of proportionality.

It is given that y = 7 when x = -9. Putting these values in (i), we get

7=k(-9)

-\dfrac{7}{9}=k

Putting k=-\dfrac{7}{9} in (i), we get

y=-\dfrac{7}{9}x

Putting x=27,  we get

y=-\dfrac{7}{9}(27)

y=-21

Therefore, the required value is y=-21.

3 0
2 years ago
Evaluate the following expression. "12 more than 5"
GalinKa [24]

Answer:

17

Step-by-step explanation:

12+5

4 0
2 years ago
Solve the system of equations.<br> y = 9x<br> y= 2x+56
nadya68 [22]

Answer:

(8, 72)

Step-by-step explanation:

Here we have two separate equations for y:  y = 9x and y = 2x + 56.

Equating these equations eliminates y temporarily; we get:

9x = 2x + 56, or 7x = 56.  Dividing both sides by 7 results in x = 8.  

Then, by the first equation, y = 9(8) = 72.

The solution is (8, 72).

5 0
2 years ago
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