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Gnesinka [82]
3 years ago
15

Help me please i dont understand :(

Mathematics
1 answer:
joja [24]3 years ago
7 0

Answer:

X=-1

Step-by-step explanation:

-5x+1=6

change the signs

5x-1=-6

add 1 to - 6

5x = -5

divide both sides by 5

X=-1

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ILL GIVE BRAINLIEST<br><br> Combine like terms.<br> 4x – 7y + 2x – 4 = [ ? ]x + [ ]y + [ ]
maxonik [38]

Answer:

[6x] + [-7y] + [-4]

Step-by-step explanation:

There are only two like terms in this expression "4x" and "2x." Since they are like terms we can combine them by adding the coefficients and keeping the variable attached. Therefore we can combine 4x and 2x into 6x. Since there are no more like terms, this expression can be simplified to 6x - 7y - 4.

7 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!
meriva

Answer:

n = 8

Step-by-step explanation:

(n−2) × 180  is the formula to find the interior angles of a polygon

(n−2) × 180 = 1080

Divide each side by 180

(n−2) × 180/180 = 1080/180

n-2 =6

Add 2 to each side

n-2+2 = 6+2

n = 8

5 0
2 years ago
The poetry section of the library has 6 bookcases. Each bookcase has 3 shelves. There are 10 books on each shelf. How many total
torisob [31]

Answer: total books = 180

Step-by-step explanation:

Given: Poetry section of the library has 6 bookcases.

Number of shelves in each bookcase = 3

Total shelves =  (Number of shelves in each bookcase) x (Number of bookcases in each poetry section)

= 3 x 6

= 18

Number of books in each shelf = 10

Total books = (number of shelves) x 10

= 18 x 10

= 180

hence, total books in the poetry section= 180

5 0
3 years ago
Multiplying and Dividing Rational Expressions<br> What is the product?
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rational numbers are always negative when u add irrational numbersStep-by-step explanation:

4 0
3 years ago
____________________
luda_lava [24]

Angle BOC = 120

PROOF

Angle A + Angle B + Angle C = 180

So, Angle B + Angle C = 120 (Angle A = 60)

Now 1/2 (Angle B + Angle C) = 60

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Or 60 + Angle BOC = 180 (using i)

OR ANGLE BOC = 120

6 0
3 years ago
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