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Dmitry [639]
3 years ago
11

2(k-5)+3k=k+6 Solve the following linear equation for .

Mathematics
1 answer:
Snezhnost [94]3 years ago
7 0

Answer: K=4

Step-by-step explanation:

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У=-3x+3<br> y = -9x + 15
julia-pushkina [17]

Answer:

(2, - 3 )

Step-by-step explanation:

Given the 2 equations

y = - 3x + 3 → (2)

y = - 9x + 15 → (2)

Substitute y = - 3x + 3 into (2)

- 3x + 3 = - 9x + 15 ( add 9x to both sides )

6x + 3 = 15 ( subtract 3 from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

y = - 3(2) + 3 = - 6 + 3 = - 3

solution is (2, - 3 )

8 0
3 years ago
Im Desparate! So Very Desparate xD Please Answer All!
notsponge [240]
2 - b.
3 - a.

I'm not sure about 4. Hope this helps!
4 0
3 years ago
Is the answer a, b, c, or d?
lbvjy [14]
I hope this helps you

6 0
3 years ago
A bag contains blue marbles and red marbles, 107 in total. The number of blue marbles is 7 more than 4 times the number of red m
Alecsey [184]

Answer: blue= 93.625

Step-by-step explanation:

Let the red ball be y

Four times of red is 4y

And blue is seven times of red which means 7(4y)

4y+7(4y)=107

Open the bracket

4y+28y=107

32y=107

y=107/32

Make y the subject of formula

y=3.34

Therefore,blue is

7(4(3.34))

Blue= 93.625

6 0
3 years ago
3/7 times 2/3 equals
aleksklad [387]

Answer:

2/7

Step-by-step explanation:

4 0
2 years ago
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