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mina [271]
2 years ago
8

Solve for the unknown number in the equation ________ − 17 = 38 − 25.

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
7 0

Answer:

I believe the answer is 30.

Step-by-step explanation:

gregori [183]2 years ago
6 0

Answer:

___<u>30</u>_____ − 17 = 38 − 25

Step-by-step explanation:

________ − 17 = 38 − 25

Do the subtraction on the right side.

________ − 17 = 13

Add 17 to both sides.

________ = 30

Answer:

___<u>30</u>_____ − 17 = 38 − 25

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What vaule of x makes th question true? 3x+2(x-5)=50 a. 8 b.9 c.11 d.12
Ainat [17]
Hey Tierra7l, 

Lets solve your equation together step by step. 

3x+2\left(x-5\right)=50 

\mathrm{Expand}\:2\left(x-5\right):\quad 2x-10 

\mathrm{Distribute\:parentheses\:using}:\quad \:a\left(b+c\right)=ab+ac 

                                    a=2,\:b=x,\:c=-5 

2\cdot \:x+2\left(-5\right) 

\mathrm{Apply\:minus-plus\:rules} 

\:\:+\left(-a\right)=-a 

2x-2\cdot \:5 

\mathrm{Multiply\:the\:numbers:}\:2\cdot \:5=10 

2x-10 

3x+2x-10=50 

\mathrm{Add\:similar\:elements:}\:3x+2x=5x 

5x-10=50 

\mathrm{Add\:}10\mathrm{\:to\:both\:sides} 

5x-10+10=50+10 

\mathrm{Simplify} 

5x=60 

\mathrm{Divide\:both\:sides\:by\:}5 

\dfrac{5x}{5}=\dfrac{60}{5} 

\mathrm{Simplify} 

x=12 

Hope this helps, 

      AnthrαX <span>  </span>
4 0
2 years ago
Find the product. (-2x^2)^3 ·3x
poizon [28]
(-2x^2)^3 * 3x

3(-8(x^2)^3)x

3(-8x^6)x

3(-8x^7)

-24x^7

Hope this is accurate & helpful! Let me know if I made any errors or if you have any additional questions.
3 0
2 years ago
Help anyone?? Not that hardd<br> no links ! :(
Ivanshal [37]

Answer:

1.2

Step-by-step explanation:

First, you cancel out \frac{6}{20} to become \frac{3}{10}

Then that becomes -\frac{3}{10}+1.5

Now, you convert the element to a decimal form to be -0.3+1.5

Finally, you subtract them (because a negative plus a positive is subtraction) to get the final answer of 1.2

Hope this helps!

6 0
2 years ago
A number x increased by 9 is less than -30.
tatyana61 [14]

Answer:

x + 9 - (-30)

Step-by-step explanation:

8 0
2 years ago
Could anyone help with this, im terrible at geometry haha
bekas [8.4K]

Answer:

10.90⁰

11.126⁰

12.54⁰

13.180⁰

Step-by-step explanation:

CDE is 180⁰ because it is a straight line

3 0
2 years ago
Read 2 more answers
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