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bija089 [108]
3 years ago
13

The value of x is: A. 6 B. 5 C. 2 D. 3 E. 4

Mathematics
2 answers:
kolezko [41]3 years ago
5 0
3x + 1 = 2x + 6
subtract 2x from both sides

x + 1 = 6
subtract 1 from both sides

x = 5

The value of x is B. 5.
Galina-37 [17]3 years ago
3 0

Answer:

x = 5.

Step-by-step explanation:

In order to find the value of x you have to set the equations equal to each other. One you do that you use the operation of pemdas to solve the algebraic equation to find x. so first you subtract 2x from 3x which leaves you with 1x aka just x. Then you subtract one from x and 6 to get x alone. subtracting 1 from x equals 5. putting x equal to 5.

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The Rossi family ate 1/3 of a cheese pizza and 2/3 of a vegetarian pizza. How much total pizza did the Rossi family eat?
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Simplify the expression.<br><br> 2+22÷4+3
Dmitrij [34]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Find the number of juice boxes.
xenn [34]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
The temperature inside a certain industrial machine at time t seconds after startup, for 0 &lt; t &lt; 10, is given by h(t) = 42
frutty [35]

Answer:

t= \frac{125}{38} s

Step-by-step explanation:

We are given the temperature inside the machine from startup until 10 seconds later, the formula is:

h(t)= 42 \cdot t +1 - 4\cdot t +2  (degrees \, C)

We want to know at what time t the temperature inside the machine will be equal to 128 °C.

So we set:

h(t)=128

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Now, we rearrange the equation to keep terms with t on the left hand side and terms without t on the right hand side

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and we simplify:

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now it's easy to solve for t:

t=\frac{125}{38}

And thus we arrive to the solution.

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