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Zanzabum
3 years ago
14

-(-3x-5)=7x what is x​

Mathematics
2 answers:
Volgvan3 years ago
6 0

Answer: 5/4

Step-by-step explanation:

konstantin123 [22]3 years ago
5 0

Step-by-step explanation:

-(-3x-5)=7x

3x+5=7x

4x=5

x=5/4

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Solve for x. Please look at the picture and answer it. Thank you.
SVEN [57.7K]

Answer:

\tt x=21

Step-by-step explanation:

\tt 45+63+4x-12=180

\tt \cfrac{4x}{4} =\cfrac{180-96}{4}

\tt x=21

~

7 0
2 years ago
What is the solution to this set of equations?
Vesnalui [34]

Answer:

(3,0)

Step-by-step explanation:

2x + 2y = 6  divide thru by 2 and you get  x + y = 3  

Name   x + y = 3  equation (1) and  x - y = 3 equation (2)

Add equations (1) and (2)  

 (1)   x+ y = 3

 (2) <u> x - y = 3   </u>  

        2x = 6

          x = 3  

Substitute x = 3 into equation (1).  So, 3 + y = 3

                                                                    y = 0

4 0
3 years ago
What is the equation of the line ,in slope intercept form , that passes through (3,-1) and (-1,5)?
Andre45 [30]

Answer:

First lets find the slope through the points (3,-1) and (-1,5)

m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 Start with the slope formula (note: (x%5B1%5D,y%5B1%5D) is the first point (3,-1) and (x%5B2%5D,y%5B2%5D) is the second point (-1,5))

m=%285--1%29%2F%28-1-3%29 Plug in y%5B2%5D=5,y%5B1%5D=-1,x%5B2%5D=-1,x%5B1%5D=3 (these are the coordinates of given points)

m=+6%2F-4 Subtract the terms in the numerator 5--1 to get 6. Subtract the terms in the denominator -1-3 to get -4

m=-3%2F2 Reduce

So the slope is

m=-3%2F2

Step-by-step explanation:

3 0
3 years ago
What would this be using a positive exponent?
tatuchka [14]

1 / 9^4 and 1 / 6^3

This is because in order to make a negative exponent into a postive exponent, you need to make it into a fraction, 1 as the top number, and the negative exponent as a postive one.

For example, 6^-3 becomes 1 / 6^3.

I hope I helped.

5 0
3 years ago
Please help me ASAP... Will give brainliest
sammy [17]

Answer:

52

Step-by-step explanation:

SA=2*4*3+2*4*2+2*3*2=24+16+12=52

6 0
3 years ago
Read 2 more answers
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