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Hatshy [7]
3 years ago
14

Solve 3x+k= c for x.

Mathematics
1 answer:
Debora [2.8K]3 years ago
5 0

Answer:

x = \frac{c-k}{3}

Step-by-step explanation:

Given

3x + k = c ( isolate the term 3x by subtracting k from both sides )

3x = c - k ( divide both sides by 3 )

x = \frac{c-k}{3}

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Can someone explain this step by step please
kobusy [5.1K]

Answer:

x = - 2

y = 6

Step-by-step explanation:

The best way to do this is to put - 3x in for y in the second equation.

4x - 2(-3x) = - 20        Watch the signs. You have 2 minus signs.

4x - - 6x = -20            Change - - 6x to 6x

4x + 6x = - 20              Add

10x = - 20                   Divide by 10

x = -20/10

x = - 2

============================

Find y

y = - 3x

y = -3 * -2

y = 6

3 0
2 years ago
Sara has $175 and wants to start saving more money so she opens a savings account and deposits the $175 in it to start. The func
GalinKa [24]

Answer:

all real numbers greater than or equal to 175

Step-by-step explanation:

3 0
3 years ago
The lengths of two sides of a triangle are 5 and
Gwar [14]

Answer:

D) 2

Step-by-step explanation:

A Triangle two sides added together must always be greater than the other side.

It can not be 2 because the two sides of a triangle added are not greater than the other side.

Here 5 + 2 = 7 which is not greater than 7 on the other side, so 2 fails.

5 0
2 years ago
Please help ASAP. I really need this it is almost due. Please give me the right answer.
IceJOKER [234]
A and D
Put 3 in the equations and solve
5 0
3 years ago
Write a multiplication expression that has a product of 7^15
Alina [70]
There are a few answers but an example of one could be 7^10 * 7^5




hope this helps
6 0
2 years ago
Read 2 more answers
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