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ozzi
3 years ago
7

3x - 6 = 2 - 5x how do i get x

Mathematics
1 answer:
Elanso [62]3 years ago
4 0

Answer:

x=0.875

Step-by-step explanation:

3x-6=2-5x

Add 6 on both sides (6+2)

2x=8-5x

Add 5x on both sides

7x=8

Divide 7 from both sides

x=0.875

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4. Tell whether the systems have one solution,
hjlf

Answer:

x= 2,

,y = 5

Step-by-step explanation:

Solve by Substitution :

// Solve equation [1] for the variable y

[1] y = 5x - 5

// Plug this in for variable y in equation [2]

[2] -4x + 2•(5x-5) = 2

[2] 6x = 12

// Solve equation [2] for the variable x

[2] 6x = 12

[2] x = 2

// By now we know this much :

x = 2

y = 5x-5

// Use the x value to solve for y

y = 5(2)-5 = 5

Solution :

{x,y} = {2,5}

5 0
2 years ago
I need this answerd ASAP ill give brainliest to whoever solves it first along with 3<br>40 points​
Gwar [14]

Answer:

Below.

Step-by-step explanation:

Mean = (61+59+60+50+54+56+61+63)/8

= 464/8

= 58 degrees

Deviations:

61 - 58 = 3

59-58 = 1

60-58 = 2

50-58 = -8 = 8   (absolute value)

54-58= -4 = 4

56-58 = -2 = 2

61-58 = 3

63-58 = 6

MAD = (3+1+2+8+4+2+3+6) / 8

= 3.625

= 3.6 to the nearest tenth.

4 0
2 years ago
F(x)=-3x2 – 3x<br> Find the function
Lubov Fominskaja [6]

Answer:

x=-2

Step-by-step explanation:

branliest pls

3 0
3 years ago
Read 2 more answers
Help please <br> I need help asap
nekit [7.7K]

Answer:

IT WILL NOT LOAD SORRY

Step-by-step explanation:

3 0
3 years ago
3. Which of the following equations is equivalent to the equation shown below? x^2 + 4x + 15 = 0
stiv31 [10]

We need to expand the answer choices and see which one matches the equation

x^2+4x+15=0

Remember the algebraic rules:

(a\pm b)^2=a^2\pm2ab+b^2

Now, if we expand choice D, we should get this. Let's expand:

\begin{gathered} (x+2)^2=-11 \\ x^2+2(1)(2)+(2)^2=-11 \\ x^2+4x+4=-11 \\ x^2+4x+4+11=0 \\ x^2+4x+15=0 \end{gathered}

5 0
11 months ago
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