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maxonik [38]
2 years ago
7

-5x-15+25x-30 Help me please

Mathematics
2 answers:
iris [78.8K]2 years ago
4 0

Answer:

\boxed{\sf{20x-45}}

Step-by-step explanation:

To solve this problem, all you have to do is isolate the x from one side of the equation.

<h3>-5x-15+25x-30</h3>

<u>First, you have to combine like terms.</u>

→ -5x+25x-15-30

<u>Then, you subtract the numbers from left to right.</u>

→ -15-30=-45

<u>Rewrite the problem down.</u>

→ -5x+25x-45

<u>By similar, add to elements.</u>

→ -5x+25x=20x

<u>Rewrite the problem down.</u>

<u>⇒ 20x-45</u>

  • <u>Therefore, the correct answer is 20x-45.</u>

I hope this helps you! Let me know if my answer is wrong or not.

VashaNatasha [74]2 years ago
4 0

Answer:

20x - 45

Step-by-step explanation:

Start by grouping like terms ( -5x and 25x) , ( -15 and -30):

= -5x + 25x - 15 - 30

Subtract the numbers: <u>-15 -30 = -45</u>

= -5x + 25x - 45

Combine like terms ( 5x and 25x):

= 20x - 45

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Answer:

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Step-by-step explanation:

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Implicit differentiation:

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Surface area decreases at a rate of 3 cm2/min

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This is \frac{dd}{dt} when d = 9. So

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Answer:

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