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Aleonysh [2.5K]
4 years ago
13

4x + 2 = 5(x + 10) what is x

Mathematics
2 answers:
Natalka [10]4 years ago
4 0
Step 1: Reorder the terms2 + 4x = 5[x + 10]
Solving for variable 'x'.

Step 2: Move all terms containing x to the left, all other terms to the right.


Step 3: Add '-5x' to each side of the equation.
2 + 4x + -5x = 50 + 5x + -5x

Step 4: Combine like terms: 4x + -5x = -1x
2 + -1x = 50 + 5x + -5x

Step 5: Combine like terms again: 5x + -5x = 0
2 + -1x = 50 + 02 + -1x = 50

Step 6: Add '-2' to each side of the equation.
2 + -2 + -1x = 50 + -2

Step 7: Combine like terms once again: 2 + -2 = 0
0 + -1x = 50 + -2-1x = 50 + -2

Step 8: Combine like terms for the last time :p : 50 + -2 = 48
-1x = 48

Step 9: Divide each side by '-1'.
x = -48

Answer: x = -48

Happy studying ^-^
Leya [2.2K]4 years ago
3 0
The answer would be -48
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A

Step-by-step explanation:

125 is the amount of discount, so for example if p was 500 and discounted by 125 (p-125), you'd get 375(example of reduced price).

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3 years ago
an art dealer makes a 17.5% commission on every painting sold. If a painting sold for $1500, what was the commission
Aleksandr [31]
A percentage is a number out of 100.  So, 17.5% is really 17.5/100, or 0.175.

To find 17.5% of 1500, you multiply 1500 by 0.175

1500 x 0.175 = 262.5.

The commission is $262.50.
4 0
4 years ago
Write the expanded form and standard form of this number in the box below:
MrMuchimi

Answer:

4,567,9361

Step-by-step explanation:

8 0
3 years ago
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What is the sum of 1/4 and 1/5?
krok68 [10]
To add them, you first need a common denominator.
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3 0
3 years ago
Mr. Sawyer drove his car from his home to New York at the rate of 45 mph and returned over the same road at the rate of 40 mph.
AveGali [126]

Answer: Time taken by him in going = 8 hours

Time taken by him in returning =  9 hours

Step-by-step explanation:

Let the total distance from home to New York is x miles,

\text{ Since, Time} = \frac{\text{Distance}}{\text{Speed}}

Also, he drove his car from his home to New York at the rate of 45 mph,

⇒ \text{ Time taken by him in going } = \frac{x}{45}\text{ hours}

And, returned over the same road at the rate of 40 mph.

⇒  \text{ Time taken by him in returning } = \frac{x}{40}\text{ hours}

According to the question,

Time taken by him in returning - Time taken by him in going = 30 minutes = 1/2 hours,    ( 1 hours = 60 minutes )

⇒ \frac{x}{40}-\frac{x}{45}=\frac{1}{2}

⇒ \frac{9x}{360}-\frac{8x}{360}=\frac{1}{2}

⇒ \frac{x}{360} = \farc{1}{2}

⇒ 2x=720

⇒ x=360\text{ miles}

Hence, the total distance from home to New York = x miles = 360 miles

⇒ \text{ Time taken by him in going } = \frac{x}{45}\text{ hours}

=\frac{360}{45}=8\text{ hours}

⇒  \text{ Time taken by him in returning } = \frac{x}{40}\text{ hours}

=\frac{360}{40}=9\text{ hours}

3 0
3 years ago
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