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Igoryamba
2 years ago
10

−20=−4x−6x Find the value of x

Mathematics
1 answer:
xeze [42]2 years ago
4 0

Answer:

\huge\boxed{x=2}

Step-by-step explanation:

-20=-4x-6x\qquad|\text{combine like terms}\\\\-20=-10x\qquad|\text{divide both sides by (-10)}\\\\\dfrac{-20}{-10}=\dfrac{-10x}{-10}\\\\2=x\to x=2

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Gina was baking cookies.A dozen cookies requires 1/6 of a cup of chocolate chips.She wants to use 1/2 of a cup.How many dozen co
fenix001 [56]
3 dozen.

\frac{3}{6} = \frac{1}{2}
3 0
3 years ago
Dominic and Tyler collected soda cans to raise money. Dominic collected 700 cans and Tyler collected 7000 cans. The number of ca
Crank
It should be ten times greater since,

700x10=7000

So ten times greater.
4 0
3 years ago
Can I get help finshing all these qustions 1. -4(6) 2. -21-8) 3. 121-4) 4. -6(5) 5. -10(-9) 6. -(5) 7. (-5) 8. -30(5) 9. 20(-6)
Papessa [141]

Answer:

1. -4(6)= -24

2.-21-8= -29

3. 121-4 =117

4. -6(5) =-30

5. -10(-9)= 90

6. (-5)7= -35

7. (-5)8= -40

8. -30(5)= -150

9. 20(-6)= -120

10. -14(6)= -84

11. (-13)2 = -26

12. –7(15) = -105

13. -3(4) = -12

14. 7(-3) = -21

15. 3(-3) = -9

16. -2(-10) = 20

17. (-5)(-3)(4) = 60

18. -3(-3)(4)= 36

19. -3(-5) = 15

20. 5(-3) = -15

21. 7(-5)(4) = -140

22. -2(-5)(-3)= -30

23. – 10(-3)=30

24. -21-3= -24

Explanation:

We have followed the rules in adding and subtracting negative as well as positive values on the number line.

When adding two negative values, the result is a negative value.

When adding a negative and positive value, the result is either a positive or negative value depending on if the negative value is bigger or smaller than the positive value

When multiplying two negative values, the result is a positive value

When multiplying one negative and one positive value, the result is a negative value

To make you understand addition and subtraction of negative and positive numbers better, let us use a simple analogy. Assuming you are owing five oranges(-5) and you are only able to give two oranges(+2), you will still be owing 3 oranges(-3). Assuming also that you are owing 6 oranges(-6) and you are able to give 8 oranges(+8), you would have given excess oranges and would be owed two oranges(+2). Hence the results above.

8 0
3 years ago
Helping little sis with homework! =) A student says that the solution of 375 = x – 28 is 347. Explain the student’s error and fi
Amiraneli [1.4K]
The student subtracted each side by 28, which is wrong because if u want to cancel -28, you need to add 28 to both sides. The correct answer is 403. I need brainliest answer pls
4 0
3 years ago
GIVING BRAINLIEST!<br><br> Solve for y: 3x - y = 14<br><br> Thank you~
ValentinkaMS [17]
To solve y, we need to make y the only value on the left hand side of the equation:

3x - 3x - y = 14 \\  3x - 3x - y = 14 - 3x \\  - y = 14 - 3x \\ y =  - (14 - 3x) \\ y =  - 14 + 3x
Therefore the value of y = -14+3x.

Hope it helps!
8 0
2 years ago
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