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Alex73 [517]
3 years ago
13

3 (x-1) - 8 = 4 (1+x) + 5 Solve it please?

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

X= -20

Step-by-step explanation:

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777dan777 [17]
15. A=7, 16. V=9, 17. D=26
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Order from least to greatest<br><br> 22.01, 21.005, 21.05, 21.15. 22.009
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Answer:

21.005, 21.05, 21.15, 22.009, 22.01

Step-by-step explanation:

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Please help with this question i will mark you brainliest !
Varvara68 [4.7K]

Answer:

x -y +1 =0

Step-by-step explanation:

x - y + 1 = 0

(3,4)

so when x = 3 , y must equal to 4

3 - y + 1 = 0

move y to the other side

y = 3 + 1

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7 0
3 years ago
100 POINTS!!!
Brums [2.3K]

Answer: x = 4

Step-by-step explanation:

2(x+1)=10

Distributive properties

a*(b+c)=(a*b)+(a*c)

Using distributive properties

Then

2*(x+1)=(2*x)+(2*1)

2*(x+1)=2x+2

Now, commutative properties

a*b=b*a

Addition is cumulative

a+(-b)=(-b)+a

Therefore applying to 2x+2

2x+2+(-2)=2x+(-2)+2

Then, applying to the equation

2x+2+(-2)=10+(-2), +×-=-

2x+2 -2=10-2

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Using division properties

ax=b

If a is none zero

Then ax/a=b/a

Therefore x=b/a

Applying that to 2x=8

2x=8. Divide both side by 2 which is none zero

2x/2= 8/2

x=4

Option B

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7 0
3 years ago
8
konstantin123 [22]

Answer:

f(x) = 7

Step-by-step explanation:

since an even function is defined as a function with the following rule. f(-x) = f(x) for all x in the domain of f(x). It would be odd if f(-x) = -f(x) for all x in the domain of f(x). If f(-x) ≠ -f(x), than it is neither. these are all known as the parity of a function.

you can apply these rules to all of given functions like this. (-x-1) ≠ -(x-1) so it is neither. 8(-x) = -(8x) so it would be odd. 2(-x)-(-x) = -(2x-x) so it is odd as well. This would make f(x) = 7 the only option, as there are no x variables in the equation so 7 = 7.

5 0
3 years ago
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