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stellarik [79]
3 years ago
9

Determine the value of x in the diagram where lines a and b are parallel

Mathematics
1 answer:
Yakvenalex [24]3 years ago
6 0
If lines a and b are parallel, the two angles given would be the same.
2x - 5 = x + 20
x = 25
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Find the value of x when 6-4x = 6x-8x-2.
mestny [16]

Answer:

4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6−4x=6x−8x−2

6+−4x=6x+−8x+−2

−4x+6=(6x+−8x)+(−2)(Combine Like Terms)

−4x+6=−2x+−2

−4x+6=−2x−2

Step 2: Add 2x to both sides.

−4x+6+2x=−2x−2+2x

−2x+6=−2

Step 3: Subtract 6 from both sides.

−2x+6−6=−2−6

−2x=−8

Step 4: Divide both sides by -2.

−2x−2=−8−2

x=4

here is a link:

https://www.mathpapa.com/algebra-calculator.html?q=6-4x%3D6x-8x-2.

6 0
3 years ago
Someone please explain and answer it. There's a picture with one problem. Thank you!
Tatiana [17]
Site vandal. Do not answer.
6 0
3 years ago
Can someone please explain to me where my teacher got the -3x - 15y = -135 from? I understand how to do this but I have no idea
Phoenix [80]

Answer:

she got those numbers from the  angles angle shape

Step-by-step explanation:

im middle school and i dont know how to solve this but i see its not that completad

6 0
3 years ago
7.2 - 3 C equals 2 c - 2
dolphi86 [110]

Answer:

9.2/5= C

Step-by-step explanation:

7.2- 3C = 2C -2     First, add the 2 on the other side to isolate 2C on one side

+2                   +2

9.2 - 3C = 2C       Next, add 3C to the other side        

+3C   +3C

9.2 = 5C                Finally divide both sides by 5 to find the value of C

9.2/5= 5C/5

9.2/5 = C     by dividing by 5 the 5 cancels out and you're left with the C value

5 0
2 years ago
This recipe makes 20 cupcakes. Deepak only wants to make 15 cupcakes. How much of each ingredient does he need? Recipe: Makes 20
VashaNatasha [74]

Answer:

9.6 ounces of butter, 8 ounces of sugar, 12 ounces of flour, 4 eggs

Explanation: 20 / 16 = 4/5. 16 is four-fifths of 20. So multiply 4/5 with everything.

12 * 4/5 = 9.6 ounces

10 * 4/5 = 8 ounces

15 * 4/5 =  12 ounces

5 * 4/5 = 4 eggs

3 0
3 years ago
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