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icang [17]
3 years ago
10

15 is equal to the difference of 7 and 2 times a number

Mathematics
1 answer:
tankabanditka [31]3 years ago
5 0

Let, the number = x

15 = 7-2x

2x = 7-15

2x = -8

x = -4

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When solving the linear equation, ax + b = 0 where a≠ 0, what is the answer of the equation x = -b/a referred as?
Oksi-84 [34.3K]

In a system of equations ax + b = 0, a≠ 0, the equation x = -b/a is referred as a non-trivial solution.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The system Ax + b = 0 has the following solutions:

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More can be learned about a system of equations at brainly.com/question/24342899

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2 years ago
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4 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLIEST THANK YOU
slava [35]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Elaine opens a checking account with a deposit of $20.00 and wants to put the same amount of money
Snowcat [4.5K]

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7 0
3 years ago
F(x) = 8|x| - 5<br> f(-2) =
Anastaziya [24]

Answer:

f(-2) = 11

Step-by-step explanation:

Hello!

We can evaluate y by plugging in -2 for x in the equation.

<h3>Evaluate</h3>
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  • f(-2) = 8(2) - 5         Remember that absolute value turns the number positive
  • f(-2) = 16 - 5
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The evaluated value is 11.

6 0
2 years ago
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