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Angelina_Jolie [31]
2 years ago
8

Solving 3 x plus 8 equals 14

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
6 0
3x + 8 = 14, this would equal 2, 3(2) = 6, 6 + 8 = 14, therefore the answer is x = 2.
Sergeu [11.5K]2 years ago
3 0
Answer x= 2
3x + 8 = 14
To solve subtract 8 from both sides to isolate x
3x = 6
Now divide both sides by 3 to solve for x
X = 2

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A line passes through the points (-1, -1)
Allisa [31]

Given:

A line passes through the points (-1, -1) and (5,8).

To find:

Which points lie on the same line?

Solution:

If a line passes through two points, then the equation of the line is:

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

A line passes through the points (-1, -1) and (5,8). So, the equation of the line is:

y-(-1)=\dfrac{8-(-1)}{5-(-1)}(x-(-1))

y+1=\dfrac{8+1}{5+1}(x+1)

y+1=\dfrac{9}{6}(x+1)

y+1=\dfrac{3}{2}(x+1)

Multiply both sides by 2.

2(y+1)=3(x+1)

2y+2=3x+3

2y=3x+3-2

y=\dfrac{3}{2}x+\dfrac{1}{2}

So, the equation of the line is y=\dfrac{3}{2}x+\dfrac{1}{2}.

Now, check each point for this equation.

Putting x=-3, we get

y=\dfrac{3}{2}(-3)+\dfrac{1}{2}

y=\dfrac{-9+1}{2}

y=\dfrac{-8}{2}

y=-4

Similarly,

For x=9,y=15.

For x=1,y=2.

For x=4,y=6.5.

For x=3,y=5.

For x=-2,y=-2.5.

Therefore, the points (-3,-4), (9,14), (1,2) and (3,5) lie on the same line but the points (4,7) and (-2,-2) are not on that line.

6 0
3 years ago
Help on this question ASAP PLEASE!!!
serious [3.7K]
X=4 is the answer if you are looking for x

4 0
3 years ago
Classify the triangle​
Bogdan [553]

Answer: B I believe

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
PLEASE HELP due soon!I forgot how to do it omg
Flura [38]

Answer:

(3, -3) is correct

Step-by-step explanation:

-4 × 3 = -12. -12 + 9 = -3

8 0
3 years ago
Given bc=4 cd=11 and bd=10 list angles of triangle bcd least to greatest
Nataly_w [17]
\bar{B}\bar{C}, \bar{B}\bar{D}, \bar{C}\bar{D}
4, 10, 11
4 0
3 years ago
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