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schepotkina [342]
3 years ago
6

Solve the equation and enter the value of x below. 9x + 4 + x = 54​

Mathematics
2 answers:
Dmitry [639]3 years ago
5 0

Hello!

9x + 4 + x = 54 <=>

<=> 9x + x + 4 = 54 <=>

<=> 10x + 4 = 54 <=>

<=> 10x = 54 - 4 <=>

<=> 10x = 50 <=>

<=> x = 50 : 10 <=>

<=> x = 5 => 9 × 5 + 4 + 5 = 54

Good luck! :)

LekaFEV [45]3 years ago
5 0

Answer:

x = 5

Step-by-step explanation:

First, combine like terms. Like terms are terms with the same variables as well as same amount of said variables:

9x + x + 4 = 54

(9x + x) + 4 = 54

10x + 4 = 54

Next, isolate the variable, x. Note the equal sign, what you do to one side, you do tot he other. Do the opposite of PEMDAS.

PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

-

First, subtract 4 from both sides of the equation:

10x + 4 (-4) = 54 (-4)

10x = 54 - 4

10x = 50

Next, divide 10 from both sides of the equation:

(10x)/10 = (50)/10

x = 50/10 = 5

x = 5 is your answer.

~

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Answer:

The coordinates are ( 4, -3).

Step-by-step explanation:

We can find the coordinates by solving the 2 equations

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y = -1/2x-1

As both left sides of the equation are y we can say:

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3 years ago
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Answer:

The equations are

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The answers to the question are

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Step-by-step explanation:

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Substituting the value of x in the above equation, we have

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Substituting the value of x in the above equation, we have

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Substituting the value of x in the above equation, we have

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x = 2

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